Ten years after the end of the war in Vietnam, four ex-Marines decide to return to S.E. Asia to investigate reports of American POWs still being held there. These four include Roger, whose daughter's just been married, the unemployed James, … Christopher Connelly, Oliver Tobias, Manfred Lehmann, John Steiner, Ethan Wayne, Donald Pleasence, Gordon Mitchell Added on Amazon Prime 2021-05-17. Youtube Trailer