Georges Deblache is a middle aged cop who falls for his partner's wife. Didier, his partner, is only recently married, but beds women he encounters while doing his job. When Georges seduces his partner's wife, he finds that she is not unwilling. In fact, the heated romance becomes a debate of whether she did the seducing. Still, her unpredictability turns him on even more and he finds himself sucked in deeper. Georges is past middle age and is so despondent about his life that he refuses to have a medical check up, even htough he suspects he has cancer.