When Michael (Robert De Niro), Steven (John Savage) and Nick (Christopher Walken) are captured by the Vietcong, they are forced to play Russian Roulette by their brutal captors, who make bets on their survival. The experience of capture leaves them with terrible physical and psychological wounds, and when Michael returns to Saigon to fulfil an old promise to one of his friends, he makes an unexpected, horrific discovery.