Maxime Depratte, a charismatic company director, invites Corentin Michelot, his meticulous and unassuming accountant, to dinner to "fix" a compromising financial statement just hours before a board meeting. Ségolène, Maxime's wife, is very upset about being an accomplice to this foolish dinner. However, through misunderstandings and plot twists, the three of them will uncover the hidden sides of their own personalities.

Mishaps befall a new home owner located next door to an insane asylum.

September of 1944, a few days before Finland went out of the Second World War. A chained to a rock Finnish sniper-kamikadze Veikko managed to set himself free. Ivan, a captain of the Soviet Army, arrested by the Front Secret Police 'Smersh', has a narrow escape. They are soldiers of the two enemy armies. A Lapp woman Anni gives a shelter to both of them at her farm. For Anni they are not enemies, but just men.

A cat is driven up the wall by the inhabitant of the cuckoo clock, so he spends the film trying to catch him.

Leon de Paris is a modest dog-barber in Paris. In search of more satisfaction. Thanks to the economic helps of Fanny (his terrible mother in law), he succeeds to set up in Roma a very stylish "Coiffeur pour homme". But due to this, his life with Fanny isn't funny, and more, Leon has to dissimulate homosexuality for job reasons. He decides to stop this nightmare engaging "Er Cuculo" (the cuckoo) a B-gangster to simulate a robbery. In fact the plan is to take all Fanny's money, share it among them and escape in Montecarlo. Will the strange couple succeed?