After his fiancée leaves him, Tom finds himself alone and helpless. He has to wash his clothes himself and so goes to the laundromat. There, he meets a quaint tribe and opens up to a new world and incredible horizons.

Stressed and overworked, famous French movie star Michel Blanc is beginning to wear down, physically and mentally, from the pressure and demands of fame. Already in a fragile state of mind, strange events start to transpire all around him, and he gradually loses his grip. Taking the advice of a psychiatrist, Blanc retreats to the countryside with his friend Carole Bouquet, but Blanc still has not managed to escape all of his problems.

The film tells the story of a group of pensioners desperate to visit Le Mont-Saint-Michel.