Elsa Lundenstein is accused of having murdered her lover. The jury discusses the case vividly. All members are somehow prejudiced because of personal life experience and subsequently each member reads something different into the presented facts.
A building, a landing, two tenants: he, Jacques Loursier, is president of the U.R.A.F (Union and Resistance Anti-Woman); she, Eliane Cahuzac, is president of the Association for the Triumph and Independence of Women. Unaware of each other until then, a cold war begins between the two parties. An attempt at conciliation fails then, after many adventures, love triumphs.
A high school boy falls for a prostitute he has met on the notorious "Rue Des Patures".
