After his sister is brutally raped and commits suicide, Gerard spends all of his free time at the scene of the crime, hoping to catch his sister's attacker. When he meets a wealthy woman that could be his ticket out of the slums, he must choose between her and his mission for revenge.

Title from container. Based on the novel La lune dans le caniveau by David Goodis. DVD extras: Jean-Jacques Beineix's interview with Tim Rhys; photo gallery.