Antoine is a musician. The forties, he suddenly decides to end his career. After a few days of wandering, he gets a job as a janitor. Mathilde lives in the old building in the east of Paris where he takes office. This is a young retiree, generous and involved, who divides his time between his associational activities and the life of the condominium. One night, she discovers a disturbing crack on the wall of his living room. Gradually, his anxiety grew to turn into panic and if the building collapsed … Slowly, Antoine befriends the woman he feared to see slip into madness. Between slips and concerns, both form an awkward tandem, humorous and solidarity which will, perhaps, through this bad patch.

Detective Yvonne is the widow of police chief Santi, a local hero in a town on the French Riviera. When she learns he was in fact a crooked cop, she tries to right his wrongs. Crossing paths with Antoine, a victim of Santi, sets off a series of wild events.

A beautiful young gold-digger mistakes a lowly hotel clerk as a rich and therefore worthwhile catch.