A psychotic killer gets in the good graces of his aging invalid employer, and worms his way into the affection of her beautiful daughter, with unpleasant results for all.

• Metro-Goldwyn-Mayer British Studios
• Lawrence P. Bachmann Productions
• Albert Finney
• Mona Washbourne
• Susan Hampshire
• Sheila Hancock
• Michael Medwin
• Joe Gladwin
• Martin Wyldeck
• John Gill