Entertaining Mr Sloane (film)

Entertaining Mr Sloane is a 1970 black comedy film directed by Douglas Hickox. The screenplay by Clive Exton is based on the 1964 play of the same title by Joe Orton. This was the second adaptation of the play, the first having been developed for British television and telecast by ITV onJuly 1968.

Kath is a lonely middleaged woman living in the London suburbs with her ageing father Kemp, referred to as Da Da or the Da Da. When she meets the attractive Sloane sunbathing on a tombstone in the cemetery near her home, she invites him to become a lodger. Soon after he accepts her offer, Kath seduces him. Her closeted brother Ed makes him the chauffeur complete with a titillating tight leather uniform of his pink 1959 Pontiac Parisienne convertible. Kemp, recognizing Sloane as the man who killed his boss years before, stabs him in the leg with a gardening tool.Sloane takes delight in playing brother against sister and tormenting the elderly man. He gets Kath pregnant and a jealous Ed warns him to stay away from her. When Sloane murders Kemp to protect his secret, they blackmail him by threatening to report him to the police unless he agrees to participate in a mnage trois in which he becomes not only a sexual partner but their prisoner as well. ........

Source: Wikipedia