Two aging crooks are given two weeks to repay a debt to a woman named The American. They recruit their recently deceased partner's son to help them break into a laboratory and steal the vaccine against STBO, a sexually transmitted disease that is sweeping the country. It's spread by having sex without emotional involvement, and most of its victims are teenagers who make love out of curiosity rather than commitment.

Juliette Binoche
as Anna

Denis Lavant
as Alex

Michel Piccoli
as Marc

Hans Meyer
as Hans

Julie Delpy
as Lise

Carroll Brooks
as The American

Hugo Pratt
as Boris

Mireille Perrier
as Young Mother

Serge Reggiani
as Charlie

Jérôme Zucca
as Thomas
Walruse
Mauvais Sang is at core a crime movie, but the crime serves only as a skeleton. The flesh is the passion of unrequited love and the cerebral processing of the same. Lise loves Alex who loves Anna that loves Mark. Mark, on the other hand, is afraid of The American Woman who was once lovers with Alex ...
griggs79
_Mauvais Sang_ made me feel cooler just for watching it—like I’d chain-smoked a Gauloises in a neon-lit alley while reciting poetry to nobody in particular. It’s moody, stylish, and occasionally baffling, but there’s real heart pulsing beneath all that noir-drenched angst. I loved Juliette Binoche s...