"I have decided to grow up and to be rewarded a hundred times over all that life always forbid me to do." Lucien L'Hotte is a small man in his thirties. He is a conscientious clerk in a large law firm where he assiduously writes up vile and incriminating letters for divorce cases. Unable to consider marriage for himself, he puts a particularly vindictive delight in destroying the marriages of others. Nevertheless, one sweltering afternoon, encouraged by the voluptuous singer Paola Bendoni, a wealthy client from his office, he dares the gestures of love that his infirmity have kept under wrap for so long. Then begins insidiously the redemption of evil by grace...