Another Man's Poison

Another Man's Poison is a 1951 British drama film directed by Irving Rapper and starring Bette Davis, Gary Merrill and Emlyn Williams. The screenplay by Val Guest is based on the play Deadlock by Leslie Sands. Plot Successful mystery novelist Janet Frobisher, who has been separated for years from her husband, a man with a criminal past, lives in an isolated home in Northern England. Her nearest neighbour is nosy vet, Dr Henderson. Janet has an affair with, and falls in love with, her secretary Chris's fiancé, Larry, who is years younger than she. When her estranged husband unexpectedly appears, Janet poisons him by administering medication given to her by Dr Henderson for her horse. One of the deceased man's criminal cohorts arrives as she's preparing to dispose of the body in the local lake. When Janet's secretary and Larry arrive at the secluded house, the mysterious man, who has assisted her with her scheme, impersonates George, the long-absent husband of Janet. George and Janet trade accusations and insults. Chris learns of Larry's affair with Janet, and determines to leave for London. Janet tries to convince Larry to stay with her, but he loves Chris and chases after her unsuccessfully. George shoots Janet's horse to upset her. Janet pretends she is remorseful about Larry and Chris, and sends George after Chris in an unsafe vehicle. He crashes, but survives.