Plot: In the midst of World War II, Sergeant Joe Enders (Cage), although injured, is the sole survivor of his first command. When he is released from the hospital, he is promoted and told of his new mission: He must protect the Navajo code the US is using, at any cost, even if that means killing his Navajo radio man, Yahzee (Beach), before he is captured by the Japanese. They are sent to Saipan, and Enders must discover if he has it within himself to fulfill his assignment.