Prisoners (1975)

Melodrama set in South Vietnam in the 1960s Krueger Bramhall a former infantry lieutenant is imprisoned at Quai Dong on the South China Sea for refusing to fight After a year at hard labor he is told to use his Vietnamese language skills to question a Viet Cong suspect The prisoner is drugged and tortured during the interrogation Krueger eventually stops the torture by pretending that the prisoner has disclosed the location of a supply dump