Murder Is Easy

American computer whiz Luke Williams meets elderly Lavinia Fullerton on a London-bound train. She reveals she's discovered the identity of a serial killer in her village and is going to report it to Scotland Yard. When she is murdered after disembarking the train, Williams vows to pursue the case himself.

Cast: Bill Bixby, Helen Hayes, Lesley-Anne Down, Olivia de Havilland, Patrick Allen, Shane Briant