Watch A Gentleman of Paris (1931) : Full Movie Online Free A prominent Parisian judge is a witness to a murder while he is at a rendezvous with his mistress. A woman is arrested for the crime and brought before him for trial. It turns out that the woman is his ex-mistress, and the judge knows that she is not the killer - but if he comes forward, he stands a good chance of ruining his marriage and his career.