John Rambo has retreated to a simple life in a rural Thai village near the Burmese border, capturing snakes for local entertainers, and transporting roamers in his old PT boat. Following repeated pleas, Rambo helps ferry a group of Christian aid workers into war-torn Burma, where the local Karen villagers are regularly tortured and massacred by Major Tint's sadistics soldiers. The humanitarian mission is going well, untill the village is attacked and the missionaries are kidnapped, and Rambo is once again asked to transport..