Catherine Gaits, married, has an affair with Peter Thornton and has made it very clear that this one time will stay one time. But Thornton is obsessive and doesn't give up. He blackmails her to try to renew their relationship.

• Riead Productions Corporation
• Cinema West Films
• Olivia Hussey
• Don Murray
• Tony Denison
• Ed Asner
• Jerry Hardin
• Tom Davies