After the danger happened, Rambo decided to surrender government and were detained in a prison his job is quarrying. One day Trautman came to see Rambo, brought him out of prison and gave him the task to rescue American POWs being held in Vietnam. Rambo parachuted into Thailand and then infiltrated Vietnam with the help of a local woman. He also found a place of detention and rescue an American prisoner who was being chased. And new adventure of Rambo begins …