The Domino Principle

The Domino Principle is a 1977 thriller film starring Gene Hackman, Candice Bergen, Mickey Rooney and Richard Widmark. The film is based on the novel of the same name and was adapted for the screen by its author, Adam Kennedy. It was directed and produced by Stanley Kramer.

The next morning Tucker fires on his target from a helicopter, but the copter is hit by return fire and crashes. Tucker and Reser escape but Tucker takes Pine hostage, demanding a plane and the return of his wife. At the airstrip, Tucker tells Tagge that he deliberately fired short. Tagge reveals that he had two other shooters in place, including Tuckers supposedly murdered cellmate Spiventa, and that Tagges group has been manipulating Tucker for over a decade. Aboard the plane with Ellie, Tucker spots someone planting a toolbox in the back of Tagges car. Unable to get the pilot to abort takeoff, Tucker watches helplessly as Tagge is blown up with his car. The couple return to Costa Rica where Tucker sees his new life dismantled as quickly as it was assembled his false passport destroyed, his money taken and Ellie killed. Spiventa and Pine arrive to kill Tucker but he gets the drop on them and dumps their bodies in the ocean. The film closes with a resolute Tucker vowing not to give in, unaware he is in the cross hairs of yet another assassin.The film opened to mostly negative reviews and lasted only two to three weeks in theaters, dooming Kramers first attempt at directing a thriller. ........

Source: Wikipedia