Sang-min and Jung-hyuk have dinner. They talk about a robbery without risk. But Jung-hyuk refuses and tells him to avoid the problems. Sun-ho auditions a young woman in his music studio in a very personal way. At the karaoke, Sang-min spends the night having fun.

In the morning, OH Jung-hyuk, finishes a job for Tony but he will learn very bad news. MOON Sang-min, talks to the young woman at the karaoke but then in the street, he goes too far and Wang Sun-ho defends the young woman.

In Seoul, OH Jung-hyuk, a boxer, working occasionally as a debt collector, is preparing for a fight in the coming days. MOON Sang-min, a young and immature man, try to get money, feeling seriously threatened. WANG Sun-ho, a rich and arrogant young man, contacts his father, a powerful CEO of a big Korean company who categorically refuses to talk to him.

Jung-hyuk meets the waitress of the cafe in a park. Something they cannot define seems to relate them. Sang-min is still struggling to find money without succeeding. Following his meeting, Jung-hyuk's memories become more obsessive.

While Jung-hyuk resists to drink, Sang-min has found refuge with Jae-hwa who ends up betraying him. Park and Kim, Tony's two subordinates are about to get Sang-min, who still hasn't paid. Jung-hyuk arrives at the scene without knowing anything about Sang-min's problem.

Sang-min finds himself trapped. The second deadline of the debt has come to an end. Jung-hyuk discovers Sang-min's troubles and decides to help him. The troubles continue for Jung-hyuk and his addiction reappears, reviving a memory that has haunted him for too long.

When a doctor learns a murderous secret from a sedated patient, he finds himself in the middle of an unsolved serial murder case. As dismembered bodies start showing up close to home, the doctor realizes he must solve the riddle before the killer discovers what he may know.

A trauma therapist is forced to face her family's dark past when she returns to her childhood countryside farm to console her heartbroken younger sister.

Sera, a nightly news anchor, receives a distressing phone call from a mother saying that a man has broken into her house and is going to kill her. When she discovers that the caller was real, Sera digs deeper into the case to reveal the shocking truth.

Desperate to keep his fishing ship in business, a cash-strapped Korean sea captain and his crew agree to smuggle Chinese immigrants into the country. After their plan goes horribly wrong, violence erupts among the sailors as the ship is caught in a deadly sea fog."