The stories take place in a fictional city called Sin City, where the main characters - including the corrupt Father Man and Senator Johnson, and the enigmatic detective Marvin - are the root causes of crime. Each story is told from the perspective of a unique character: Marv, an obnoxious yet handsome big guy; Mary, a woman with curves and emotion who sets out to bring down her benefactor.
Marv meets Mary while having a passionate encounter with a beautiful woman named迪奥西娅. Mary's beauty and emotional depth gives him a sense of redemption and makes him feel like he has been saved by women for the first time.
However, when Marv wakes up late at night to find Mary dead, he becomes a prime suspect. Mary sets out on a quest to uncover the killer before they can strike again.