Narumi has decided to retire from the underworld society with which he has been involved for 20 years. He also informs his colleague and attends his final smuggled handgun deal. Suddenly, shows up and the client is shot to death accidentally. That client was an undercover police investigator, so Narumi is now facing a predicament.

A pair of men are picking and repeatedly enter houses here and there to steal. One day, while ransacking the house they have been picking, they find the girl who lives in the house collapsed in the bathroom. She is a college student who has been hurt by a love like a game that is about to end. When she gets up and sees the two thieves, she says, "You came to save me, didn't you? Will you stay with me forever?" For some reason, she interprets this favorably and trusts them. From that point on, a strange interaction between the three begins.