A veteran gangster looking to retire from a life of crime in the violent port town of Kuam, Korea unexpectedly gets caught in the middle of a mob war with bloody consequences.

A spunky female weightlifter and free-spirited male swimmer meet on campus, only to find out their pasts may be intertwined.

The memory of their painful breakup still fresh in their minds, two former lovers reunite years later as a top actor and a documentary producer.

Take a nostalgic trip back to the late 1980s through the lives of five families and their five teenage kids living in a small neighborhood in Seoul.

Kyung-chul is a dangerous psychopath who kills for pleasure. He has committed infernal serial murders in diabolic ways that one cannot even imagine and his victims range from young women to even children. The police have chased him for a long time, but were unable to catch him. One day, Joo-yeon, daughter of a retired police chief becomes his prey and is found dead in a horrific state. Her fiance Soo-hyun, a top secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take bloody vengeance against the killer, even if it means that he must become a monster himself to get this monstrous and inhumane killer.