 The aristocratic Tony moves to London and hires the servant Hugo Barrett for all services at home. Barrett seems to be a loyal and competent employee, but Tony s girlfriend Susan does not like him and asks Tony to send him away. When Barrett brings his sister Vera to work and live in the house, Tony has a brief hidden affair with her. After traveling with Susan for spending a couple of days in a friend s house outside London, the couple unexpectedly returns and finds Barrett and Vera, who are actually lovers, in Tony s room. They are fired and Susan breaks with Tony. Later, Tony meets Barrett alone in a pub and hires him back, and Barrett imposes his real dark intentions in the house, turning the table and switching position with his master.