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.
Olivia Hussey
as Catherine Gaits
Don Murray
as Parker Gaits
Tony Denison
as Peter Thornton
Ed Asner
as Jay Roth
Jerry Hardin
as Sam Hayes
Tom Davies
as Anthony Browning
Tricia Lange
as Nurse #2
