1931, England. A petty conman named Eric Nunudachno ingratiated himself into the Davenport household, joining the footmen and immediately setting his sights on the master's daughter, Rose. His carefree life continues until a sudden murder makes him the prime suspect. From then on, to come out unscathed, he must not only unmask the real criminal, but also outwit a rival in the battle for the girl's hand and heart.