Two buddies head off for a summer holiday, but one of them has to take his sister along. She cramps their style when it comes to picking up chicks. However, they manage to have some fun.

Stéphane Hillelas Peter
Olivia Pascalas Vicky / Freddy's sister
Betty Vergèsas Ines / Woman in red sports car
Bea Fiedleras Helga
Del Negro
Gianni Garkoas Jacky / Playboy
Jacques Herlinas Ludwig
Heinz Hölscher