Three young men - Jacques, Pierre, and Michel - share an apartment in Paris, and have many girlfriends and parties. Once, during a party, a friend of Jacques' tells him he has a quite compromising package to deliver, and asks him if he can leave it discreetly at their place. Jacques agrees and, as he works as a steward, flies away for a one-month trip in Japan, telling Pierre and Michel about the package. Then, one of Jacques' former girlfriends drops a baby before their door, making Pierre and Michel believing it is the package they are waiting for. Their lives are then completely changed.
Roland Giraud
as Pierre
Michel Boujenah
as Michel
André Dussollier
as Jacques
Philippine Leroy-Beaulieu
as Sylvia
Dominique Lavanant
as Ms. Rapons
Marthe Villalonga
as Antoinette
Annick Alane
as Pharmacist
Josine Comellas
as Ms. Rodriguez, concierge
Jennifer Moret
as Marie Nr. 2
François Domange
as Paul
Gabriel Jabbour
as Superior
Julien Maurel
as Guy