Two cartoonists meet a playboy who lives out the fantasies created in their cartoons. He hires them to create a new comic strip. As they work on the new strip, the playboy begins to live it out. Unfortunately, the new strip deals with murder.

Hélène Masson visits her friend Gérôme Savignat in the isolated rejuvenation clinic owned by Dr. Devilers and his partner Dr. Berbard. But after a series of tragic events, Hélène goes further in her investigation of the clinic.