At 9:00, Laurent receives a worrying text message. 9:01, his mobile's stolen. 9:30, his son disappears. 10:00, his house burns down. 10:15, his wife leaves him. 10:30, his company goes bankrupt. 11:00, he's in custody. The day's got off to a bad start.

Jerome, 35, is a yacht salesman in Nice. But if you listen to him, in his spare time Jerome is also an astronaut, a karate world champion and a close friend of Miss Universe. As a matter of fact Jerome is a compulsive liar: he lies to everyone about everything! No one believes him, but that doesn’t prevent him from accumulating more lies. But one day Jerome wakes up to find out that all his lies have come true... and it’s just the beginning of the troubles ...!

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.