A perfectly innocent computer jockey becomes the prime suspect in a bank robbery. Among the tribulations he must suffer is that the real culprit is his landlady. Another source of suffering for the poor man is his extremely strong-willed mother, whose wants must be catered to. Meanwhile, he is being rabidly pursued by one of his female coworkers, who has taken a shine to him.

Pour fuir une mère très envahissante, Rémi, jeune informaticien divorcé, loue un logement à une vieille dame. Celle-ci se révèle être une redoutable braqueuse de banques...