Lt. Vance Calhoun takes on a dangerous rescue mission of American P.O.W.s in the treacherous Darloc Valley in Vietnam. His only chance to escape is with the help of five young, fearless soldiers on motorcycles. 　　译文(2): Vance Calhoun 中尉在越南危险的 Darloc 山谷执行一项危险的营救美国战俘的任务。他逃跑的唯一机会就是在五个骑着摩托车无所畏惧的年轻士兵的帮助下。