| Genre: | Revenge Romance Thriller |
| Director: | Joo Sung-woo |
| Country: | South Korea |
| Language: | Korean |
| Num Episodes: | 50 |
| Executive Producer: | Lee Chang-seob |
| Producer: | Son Young-joon |
| Location: | South Korea Hainan, China |
| Runtime: | 60 minutes |
| Company: | Victory Contents |
| Network: | Munhwa Broadcasting Corporation |
Monster is a 2016 South Korean television series starring Kang Ji-hwan, Sung Yu-ri, Park Ki-woong and Claudia Kim. It replaced Glamorous Temptation and airs on MBC on Mondays and Tuesdays at 09:55pm (KST) from March 28 to September 20, 2016 for 50 episodes.
In his youth, Lee Guk-cheol lost his wealthy family as well as his sights due to the orchestrated car accident and his inheritance to his greedy uncle, Byun Il-jae who plans to steal the inheritance to invest in his scheme to buy out Dodo Group, a powerful conglomerate. Despite his blindness, Guk-cheol gains superhuman hearing. Guk-cheol's aunt Moon attempts to expose her husband in revenge for his infidelity was killed by Il-jae's mistress who is also her best friend. He lost everything and descended to the lowest echelons of society, from spoiled rich heir to lowly beggar almost overnight. However, with the help of Yoo Seong-aean, an NIS agent who investigate the Dodo Group, opportunity arises whereby he is able to obtain a new identity - Kang Gi-tan, allowing him to take back what is rightfully his and enact vengeance on those responsible for ruining his life. However, in his quest for revenge, he meets opposition in the form of Do Gun-woo, the illegitimate son of a chaebol chairman, and Oh Soo-yeon, a young woman who seem suspiciously similar to someone he developed feelings for in his youth.
It is revealed that Bryun Il-jae works as executive for the Dodo Group and secretly manipulate the stock market of the company so he can buy out the company at cheap price. Do Gun-woo is used as a mean for Il-jae to take down Do Choong, the chairman of Dodo group from within.
As Guk-cheol climbing the corporate ladder, he teams up with Do Choong to take down Il-jae by exposing his entire scheme to the Chairman. Do Choong wants to learn about Ki-tan's motive in bringing down Il-Jae but he Ki-tan declines. Do Choong suggests a simple solution is to simply fire Il-jae but Ki-tan states that it will not work since Il-jae can still find a way to take over his company.
Born Lee Guk-cheol, he was the heir to Sudo Hospital, until the deaths of his parents and aunt. He survived several murder attempts against him, but lost everything and became a beggar. Blinded by the car accident that killed his parents, Guk-cheol's sense of hearing is heightened to superhuman levels, an ability he would continue to possess as an adult. Years later, he undergoes surgery to cure his blindness and change his appearance. He obtains a new identity - Kang Ki-tan, using it to exact revenge on those responsible for his predicament. Later in the series, he is adopted by Jo Ki-ryang, the leader of Huaping after he takes a bullet for him. With the latter's financial backing, Ki-tan starts his own company, KT Corporation, with plans to take over Dodo Group and complete his revenge.
As a teenager, Cha Jeong-eun met Guk-cheol when she worked as his maid. Guk-cheol begin to develop feelings for her but circumstances separated the two. Many years later, she now goes by the name Oh Soo-yeon. She meets Kang Ki-tan, but both are unaware of their shared past together due to both of them having adopted new identities. She is somewhat materialistic, stemming from her struggles to make ends meet to pay for her autistic younger brother's medical fees. Later in the series, she starts up a law firm with Min Byung-ho.
He is the illegitimate son of Dodo Group's chairman. Gun-woo lived in America for most of his youth, having murdered his abusive stepfather and witnessed his mother commit suicide. Byun Il-jae brings him back to Korea with the intention of using him as a tool to topple Dodo Group's chairman and take the company for himself. As one of Dodo Group's new recruits, Gun-woo develops a mutual rivalry with Kang Ki-tan. After Do Choong finds out that Gun-woo is his illegitimate son, he takes Gun-woo under his wing and promotes him to Vice Chairman of Dodo Group.
A NIS agent who has been tasked with infiltrating Dodo Group.
Dodo Group is a large and powerful chaebol in Korea. The chairman is Do Choong. The main cast have found employment within Dodo Group, each with their own motivations and objectives.
The chairman of Dodo Group. He is the father of Gwang-woo and Shin-young. He also has an illegitimate son - Gun-woo.
The main antagonist of the series. Il-jae was Guk-cheol's uncle who murdered his parents and stole his inheritance so he can invest in his scheme to buy out Dodo Group. He was once a prosecutor but now works on the legal team of Dodo Group. He is a greedy and power-hungry man who schemes to take control of Dodo Group and eventually rise to a position of eminence. He is eventually convicted of all his crimes and sentenced to death.
Byun Il-jae's unquestionably loyal manservant, who usually helps to carry out Il-jae's dirty work.
A corrupt politician who sells knock-off military equipment to South Korean Army. He is Do Choong's brother-in-law and Il-jae's father-in-law. He harbors resentment towards Do Choong.
Do Choong's wife and Jae-man's sister. She has a strong animosity towards Gun-woo, being responsible for banishing his mother, who was Do Choong's mistress. Gwi-ja becomes increasingly angry when Do Choong allows Gun-woo's rise to power in Dodo Group after Gwang-woo's imprisonment.
The CEO of Dodo Group and Do Choong's eldest son. Gwang-woo is an extremely greedy and unscrupulous man, having blackmailed Il-jae into murdering Guk-cheol's parents. Gwang-woo was later found guilty of creating a slush fund and for allowing T9, a carcinogenic coating agent in Dodo Group's products. He is sent to prison, although he is later pardoned and released.
Do Choong's youngest daughter. She is a typical bratty and spoiled rich girl. She has a habit of calling Ki-tan 'Kang Ga-din', whom she develops a crush on.
Jae-man's daughter. Like her father, she also entered politics. Il-jae had an affair with her. She accidentally killed Man-ok, Il-jae's first wife and her friend when the affair was discovered. Il-jae helped her cover up the crime and made her his second wife.
The chief secretary of the SPD division in Dodo Group. He dislikes Byun Il-jae, and the feeling is mutual. A hardworking employee who dedicated his life to Dodo Group, he is fired by Gwang-woo for hurting the latter's pride. After struggling with poverty for a year, Ki-tan recruits him to join his company, KT Corporation, which Tae-gwang accepts. He becomes Ki-tan's right-hand man, swearing complete allegiance to Ki-tan in return for helping him clear his debts.
Tae-gwang's assistant.
Dodo Group executive.
The Do family's secretary.
The Do family's butler who is very loyal to Do Choong. He was once the head of the SPD at Dodo Group and Moon Tae-gwang's superior.
A nerdy Dodo Group employee who entered the company at the same time as the main characters. He has a crush on Yoo Seong-ae. He loses his job and goes to prison due to the machinations of Byun Il-jae and Do Gun-woo. A year later, Ki-tan recruits him and Moon Tae-gwang to join his company, KT Corporation.
One of the new Dodo Group employees who entered the company at the same time as the main characters. She is close friends with Soo-yeon. She later quits Dodo Group to work at the law firm founded by Oh Soo-yeon and Min Byung-ho.
One of the new Dodo Group employees who entered the company at the same time as the main characters. She looks down and dislikes Soo-yeon.
One of the new Dodo Group employees who entered the company at the same time as the main characters. He later becomes Gun-woo's personal assistant when the latter is promoted to Vice Chairman of Dodo Group.
An underground firearms dealer associated with the Chinese mafia.
The boss of Huaping, whose identity was a mystery at the start of the series. He adopts Ki-tan after the latter saves him during an assassination attempt.
She is a Chinese expat who was once Man-ok's secretary. It is later revealed that she is actually a lobbyist working for a secret organization which plans to obtain the vaccine for MK2, a lethal mutant virus. However, Jeong-eun injects the vaccine into Guk-Cheol. Chae-ryung now fronts as the owner of an art gallery. She offered to purchase Guk-cheol's blood for the vaccine; in exchange her organization would provide financial backing to Guk-cheol to adopt his Kang Ki-tan persona and exact revenge. Chae-ryung has an unrequited love for Ki-tan, and thus tries to keep him and Soo-yeon apart.
Another Chinese expat who works together with Chae-ryung for the same secret organization.
A lawyer who is the closest thing to family that Soo-yeon has. He helps look out for her brother too, and also provides help to Ki-tan from time to time. He later starts a law firm with Soo-yeon.
Jeong-eun's younger brother, who suffers from Lennox–Gastaut syndrome, thus requiring her to work hard to pay his medical fees. Later, his name was changed to Oh Jin-cheol, alongside his sister who adopted the name Oh Soo-yeon. Dong-soo is shown to have a photographic memory. He is murdered by Byun Il-jae in episode 24.
Jeong-eun and Dong-soo's father, who worked as the head of security at Sudo Hospital when Guk-cheol was a teenager. He dies after being exposed to the MK2 virus.
Lee Guk-cheol's father.
Lee Guk-cheol's mother.
A woman campaigning against the use of T9, a cancer-causing agent in Dodo Group's products.
A gangster boss who manages Do Gwang-woo's slush fund.
A corrupt former army general working with Hwang Jae-man.
Yoo Seong-ae's direct supervisor in the NIS, whom she reports her infiltration activities in Dodo Group to. He is later revealed to be working for Hwang Jae-man.
Byun Il-jae's first wife and Guk-cheol's aunt. She is accidentally killed by Hwang Ji-soo.
A criminal hired by Byun Il-jae to kill Guk-cheol.
A wealthy Chinese businessman who was involved in the manufacture and distribution of counterfeit drugs, which affected Dodo Group.
A scientist working on the vaccine for the MK2 virus. He is murdered by Oh Choong-dong and Ki-tan is framed for the crime.
| Episode # | Original broadcast date | TNmS Ratings[5] | AGB Nielsen Ratings[6] | ||||
|---|---|---|---|---|---|---|---|
| width=100 | Nationwide ! | width=100 | Seoul National Capital Area ! | width=100 | Nationwide ! | width=100 | Seoul National Capital Area |
| 1 | March 28, 2016 | 7.4% (NR) | 8.1% (18th) | 7.3% (NR) | 7.8% (20th) | ||
| 2 | March 29, 2016 | 7.7% (19th) | 8.3% (14th) | 7.0% (20th) | 7.8% (17th) | ||
| 3 | April 4, 2016 | 9.0% (21st) | 10.3% (9th) | 9.5% (14th) | 10.6% (10th) | ||
| 4 | April 5, 2016 | 9.1% (13th) | 9.7% (8th) | 8.9% (13th) | 9.5% (10th) | ||
| 5 | April 11, 2016 | 7.5% (NR) | 8.2% (17th) | 8.2% (NR) | 9.3% (14th) | ||
| 6 | April 12, 2016 | 7.3% (20th) | 7.3% (18th) | 8.7% (13th) | 9.7% (10th) | ||
| 7 | April 18, 2016 | 7.4% (NR) | 8.4% (17th) | 8.5% (NR) | 9.5% (15th) | ||
| 8 | April 19, 2016 | 7.8% (17th) | 8.4% (14th) | 8.1% (19th) | 9.1% (14th) | ||
| 9 | April 25, 2016 | 7.7% (NR) | 9.2% (15th) | 8.1% (NR) | 8.7% (17th) | ||
| 10 | April 26, 2016 | 8.2% (17th) | 8.8% (11th) | 8.2% (17th) | 9.0% (15th) | ||
| 11 | May 2, 2016 | 6.9% (NR) | 7.7% (NR) | 7.5% (NR) | 8.2% (20th) | ||
| 12 | May 3, 2016 | 7.1% (NR) | 8.5% (17th) | 8.4% (NR) | 9.3% (18th) | ||
| 13 | May 9, 2016 | 7.1% (NR) | 8.2% (16th) | 7.5% (NR) | 8.4% (20th) | ||
| 14 | May 10, 2016 | 8.4% (18th) | 9.0% (12th) | 9.3% (16th) | 10.2% (10th) | ||
| 15 | May 16, 2016 | 7.4% (NR) | 7.8% (19th) | 8.0% (20th) | 8.9% (16th) | ||
| 16 | May 17, 2016 | 8.0% (19th) | 8.5% (16th) | 9.5% (10th) | 10.3% (8th) | ||
| 17 | May 23, 2016 | 7.2% (NR) | 8.2% (16th) | 8.1% (NR) | 8.8% (15th) | ||
| 18 | May 24, 2016 | 8.4% (14th) | 9.5% (8th) | 8.6% (15th) | 9.4% (9th) | ||
| 19 | May 30, 2016 | 7.7% (NR) | 7.6% (18th) | 8.0% (19th) | 8.7% (14th) | ||
| 20 | May 31, 2016 | 7.8% (17th) | 8.1% (12th) | 7.7% (14th) | 8.3% (13th) | ||
| 21 | June 6, 2016 | 8.4% (17th) | 10.4% (6th) | 10.3% (6th) | 11.4% (5th) | ||
| 22 | June 7, 2016 | 9.6% (9th) | 10.2% (6th) | 10.7% (5th) | 11.7% (4th) | ||
| 23 | June 13, 2016 | 8.8% (12th) | 10.5% (5th) | 10.4% (10th) | 11.4% (4th) | ||
| 24 | June 14, 2016 | 9.6% (9th) | 10.7% (5th) | 10.7% (6th) | 11.5% (5th) | ||
| 25 | June 20, 2016 | 9.4% (11th) | 10.7% (5th) | 9.7% (12th) | 10.4% (8th) | ||
| 26 | June 21, 2016 | 10.4% (8th) | 11.7% (5th) | 11.1% (6th) | 11.9% (5th) | ||
| 27 | June 27, 2016 | 9.7% (9th) | 10.7% (5th) | 10.6% (8th) | 11.7% (5th) | ||
| 28 | June 28, 2016 | 10.2% (8th) | 10.7% (5th) | 11.1% (6th) | 11.9% (5th) | ||
| 29 | July 4, 2016 | 9.8% (15th) | 10.8% (5th) | 11.1% (8th) | 12.2% (6th) | ||
| 30 | July 5, 2016 | 11.6% (9th) | 12.0% (5th) | 11.0% (10th) | 11.8% (9th) | ||
| 31 | July 11, 2016 | 9.8% (14th) | 10.3% (9th) | 10.5% (11th) | 10.5% (12th) | ||
| 32 | July 12, 2016 | 11.3% (10th) | 11.9% (7th) | 11.2% (8th) | 11.8% (7th) | ||
| 33 | July 18, 2016 | 10.1% (11th) | 10.7% (8th) | 9.9% (12th) | 9.7% (11th) | ||
| 34 | July 19, 2016 | 12.3% (6th) | 13.6% (5th) | 11.1% (7th) | 11.2% (5th) | ||
| 35 | July 25, 2016 | 10.9% (11th) | 12.3% (5th) | 10.7% (8th) | 11.5% (8th) | ||
| 36 | July 26, 2016 | 11.7% (7th) | 12.6% (5th) | 11.3% (8th) | 11.0% (7th) | ||
| 37 | August 1, 2016 | 11.2% (9th) | 11.6% (7th) | 10.7% (7th) | 10.9% (6th) | ||
| 38 | August 2, 2016 | 12.8% (6th) | 12.9% (5th) | 11.9% (6th) | 12.2% (5th) | ||
| 39 | August 9, 2016 | 11.4% (7th) | 11.4% (6th) | 9.8% (6th) | 10.0% (6th) | ||
| 40 | August 22, 2016 | 9.2% (15th) | 8.9% (15th) | 8.9% (12th) | 9.2% (13th) | ||
| 41 | August 23, 2016 | 9.7% (12th) | 10.0% (11th) | 9.7% (10th) | 9.5% (11th) | ||
| 42 | August 29, 2016 | 9.2% (16th) | 9.7% (12th) | 10.0% (11th) | 10.3% (12th) | ||
| 43 | August 30, 2016 | 10.6% (10th) | 11.4% (6th) | 10.8% (8th) | 11.0% (7th) | ||
| 44 | September 5, 2016 | 10.1% (11th) | 11.0% (9th) | 9.4% (11th) | 9.7% (10th) | ||
| 45 | September 6, 2016 | 10.9% (8th) | 11.7% (7th) | 10.3% (8th) | 10.3% (8th) | ||
| 46 | September 12, 2016 | 10.1% (16th) | 11.4% (8th) | 10.6% (12th) | 10.9% (8th) | ||
| 47 | September 13, 2016 | 11.0% (8th) | 10.7% (6th) | 10.3% (7th) | 10.4% (8th) | ||
| 48 | September 19, 2016 | 12.6% (8th) | 13.1% (6th) | 11.4% (9th) | 11.7% (6th) | ||
| 49 | September 20, 2016 | 12.9% (7th) | 12.9% (6th) | 12.1% (6th) | 12.7% (6th) | ||
| 50 | 13.8% (5th) | 14.0% (5th) | 14.1% (5th) | 15.1% (5th) | |||
| Average | 9.5% | 10.2% | 9.7% | 10.3% | |||
| Year | Award | Category | Recipient | Result |
|---|---|---|---|---|
| 2016 | Excellence Award, Actor in a Serial Drama | |||
| Top Excellence Award, Actor in a Special Project Drama | ||||
| Top Excellence Award, Actress in a Special Project Drama | ||||
| Excellence Award, Actor in a Special Project Drama | ||||
| Excellence Award, Actress in a Special Project Drama | ||||
| Best New Actress | ||||
| Golden Acting Award, Actor in a Special Project Drama | ||||
| Golden Acting Award, Actress in a Special Project Drama | ||||