影片讲述了政府试行某项机密企划：一个专门接收犯下凶杀罪的“凶手都市”。饰演公务员的月木一（锦户亮 饰），将要面对重新开始人生的六位前杀人犯......Suffering from population decline, the small seaside town of Uobuka decides to welcome 6 strangers into the community. A malevolent fishing boat operator (Kazuki Kitamura), a sexy caregiver, a frightening launderer, a timid barber, a methodical cleaning woman (Mikako Ichikawa), and a simple-minded deliveryman (Ryuhei Matsuda) are all brought together by this mysterious government-sponsored program. Even Tsukisue, the young city official put in charge of the program, has no idea why they've been brought to town. But when the truth comes out about the six strangers' mysterious past and a body is discovered in the harbor, Tsukisue begins to suspect the motley crew of foul play. Part black comedy, part murder mystery thriller the latest from director Daihachi Yoshida perfectly blends humor and suspense.