il destino in tasca (1938)

an industrialist, in the absence of his wife, hosts a friend in his own home and goes to spend the night with jolly friends. the wife suddenly comes home and goes to sleep without realizing that there is a guest in her bed, who ignores the fact. the next morning a scandal broke out, also prompted by a suitor who had been rejected by the lady and who blackmailed her with unmentionable claims. then the guest, having learned of the truth, confronts the blackmailer and shakes him with a good dose of punches, putting back even the family harmony.