Alfred Hitchcock's masterful suspense tale of a tennis pro railroaded into a murder pact by a demented playboy, who offers to kill the athlete's unfaithful wife in exchange for him doing away with the rich man's hated father. Raymond Chandler cowrote the script based on Patricia Highsmith's novel. Hitchcock's daughter, Patricia Hitchcock, costars as Barbara Morton, sister of the tennis player's girlfriend.