On a cruise on the Mediterranean sea the knife-thrower Tino and his wife Marilyn are performing their act.This is a spectacle sponsored by the Coralys perfume company and his manager Cariou tries to convince Dora, the owner of a perfume company to sell her company to the Coralys Company.After the spectacle Marilyn saw Tino kissing a girl, is quite desperate and wants to commit suicide, but Dora stops her suicide attempt and offers Marilyn to help her.