Duk-soo lost his father and younger sister while taking refuge during the Korean War. He leaves for Germany to work as a miner and enters the Vietnam War. He wishes to find his sister.

An undercover cop has his loyalties tested when the boss of the corporate gang he's spent years infiltrating dies.

A veteran gangster, Hee-su, is looking to retire from his crime family in the violent port town of Kuam, Korea. But an unexpected betrayal leads him down a bloody path where he gets caught in the middle of a mob war with deadly consequences.

There's emptiness in Nam-joo althoughs she's with the one she loves. She's tired of the same old life. Sung-wook becomes more and more discouraged next to his affluent wife. These two lonely souls meet on a train. They seem different but also very much alike?

Two violent inmates exercising their power over the prison VS the only chef in the prison kitchen who can possess weapons are admired for their hidden influence and both are unhappy with the king of prison in the cell. As a result, there is always extreme tension inside the prison. Meanwhile, Ki-cheol from the kitchen with a past ugly relationship enters the prison cell and a tense confrontation between the two cells begins. The increasingly tense situation in which the chaebol chairman in control of the prison and the head of the security department are involved, the battle has turned to determine the real king of prison.