Four friends bound by destiny and unbeatable in the dark world. When a casino attack goes wrong as a result of betrayal, fate turns them into enemies. Now, forced to aim the gun at each other's hearts, their unavoidable battle begins.

Hyeon-jeong's sister is missing and she fears for the worst. Via her sister's cellphone, Hyeon-jeong learns that her sister stayed in a countryside vaillage. She goes to the village to find her sister and stops at the local police station for help. Because of the little evidence she has, the police refuse to offer help.

A young man and woman enter an empty house where they plan to live for their newlyweds. The woman is not happy with the old and gloomy house and complains nonstop. The man ignores the woman's complaints and silently explores her house. There is a woman in front of him who is trying to complete the present with pieces of the past. The house without her family is like ruins. It is a work that projects the empty efforts of modern people to restore the meaning of a broken family into a terrifying fantasy.

A thoughtful young man ambles around the Han River, providing an expansive setting for his contemplations. During a telephone call on the Jamsu Bridge, connecting the districts of Yongsan-gu and Seocho-gu in Seoul, he discovers his umbrella has been lost by the girl he lent it to, and judging by his disappointed reaction, we can see he is hurt at being forgotten. Another lost soul is on this bridge, a man with a guitar asks for a light and a song. Soon the young man’s problems are put into context, when arguments about umbrellas seem to fade into meaninglessness.