The Domino Principle

Roy Tucker, a Vietnam war veteran with excellent shooting skills, is serving a long prison sentence when a mysterious visitor promises him that he will be released if he agrees to carry out a dangerous assignment. Roy Tucker, a Vietnam war veteran with excellent shooting skills, is serving a long prison sentence when a mysterious visitor promises him that he will be released if he agrees to carry out a dangerous assignment. Roy Tucker, a Vietnam war veteran with excellent shooting skills, is serving a long prison sentence when a mysterious visitor promises him that he will be released if he agrees to carry out a dangerous assignment. Roy Tucker, a Vietnam war veteran with excellent shooting skills, is serving a long prison sentence when a mysterious visitor promises him that he will be released if he agrees to carry out a dangerous assignment.