Watch Treason

Treason is a film made in 1964 about a navy clerk who winds up getting blackmailed by the Czech intelligence agency to steal secrets for them. He winds up having a serious romance with a secretary who who holds the keys to getting his secrets form British intelligence. As the British close in they wind up being at an underwater weapons research facility located in Portland. A great spy movie set in the Cold War era.

Treason is a 1964 drama with a runtime of 1 hour and 36 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 7.0.