Misfortunes and disarray of the little clown Leroy who is upstaged by a comrade, Bertini, and sees himself abandoned by his girlfriend Ginette, preferring his collaborator to him.
Four classmates decide to perform a love song that their friend, Pierre, composed for Marie. Novac, another admirer of Marie, is murdered. Pierre suspects one of the four of being the killer, but incriminates himself, believing that Marie was in love with the killer.
A provincial department store salesman is transferred to the Paris department store, the 'Galleries du Louvre'. Asking for directions in a city he doesn't know on his first day on the job he gets mistakenly sent to the Louvre museum where he proceeds to sell all the paintings in the section he's...