A group of pensioners, exasperated by the Social Security strike, meet Chalupot, a former paratrooper and ex-priest who has just been released from prison. He encouraged them to form the M.L.V. (Mouvement de Libération des Vieillards) and organize demonstrations. But as Chalupot is arrested and locked up, the pensioners plan to hold up the Social Security.

A mute gunslinger fights in the defense of a group of outlaws and a vengeful young widow, against a group of ruthless bounty hunters.