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Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.

An assassin named Tae-goo is offered a chance to switch sides with his rival Bukseong gang, headed by Chairman Doh. Tae-goo rejects the offer that results in the murder of his sister and niece. In revenge, Tae-goo brutally kills Chairman Doh and his men and flees to Jeju Island where he meets Jae-yeon, a terminally ill woman. Though, the henchman of the Bukseong gang, Executive Ma is mercilessly hunting Tae-goo to take revenge.

Tragedy, betrayal and a mysterious discovery fuel a woman's vengeance for the loss of her tribe and family.

After the assassination of President Park, martial law has been declared. A coup d'état bursts out by Defense Security Commander Chun Doo-gwang and a private band of officers following him. Capital Defense Commander Lee Tae-shin, an obstinate soldier who believes the military should not take political actions, fights against Chun Doo-gwang to stop him. The conflict between the two grows while military leaders are holding their decision and Defense Minister is gone. In the midst of chaos, the spring of Seoul that everyone longed for heads to unexpected direction.

A woman seeks to take revenge when her younger sister disappears and she finds out that her sister suffered violence and sexual abuse from school bullies.

Pil-ju, an Alzheimer's patient in his 80s, who lost all his family during the Japanese colonial era, and devotes his lifelong revenge before his memories disappear, and a young man in his 20s who helps him.

A peaceful ex-ninja's life shatters when his son's kidnapping forces him back into violence amid an American-Japanese criminal drug war.

Young sailor Edmond Dantès is wrongfully imprisoned, escapes, finds treasure, and reinvents himself as the wealthy Count of Monte Cristo to exact revenge on those who betrayed him.

Se-ha who is physically handicapped and Dong-gu who is mentally handicapped are not their own brothers. But while living 20 years together, the two became indispensable to each other. One day, the mother of Dong-gu suddenly visits him and acts as his guardian.

When his daughter is murdered, William Duncan takes the law into his own hands, setting out on a quest for retribution. After killing the street thug responsible for her death, he finds himself in the middle of a war with the thug's brother, father, and their gang, who are equally hell-bent on getting even. What ensues is a tense back-and-forth game of vengeance. By the end, William comes to find that the quest for revenge never has a winner.