在这部傲世军魂剧情/冒险片中,哈密顿将军（C·奥布雷·史密斯 C. Aubrey Smith 饰）的严苛和无情在军队中人尽皆知，麦克格雷上校（加里·库柏 Gary Cooper 饰）深受其苦，希望他能够有所改变。将军的儿子史东（理查德·克洛维尔 Richard Cromwell 饰）的到来让麦克格雷上校看到了一丝希望，然而，史东却是狂妄自大的纨绔子弟，一次意外中，他落入了敌军的手中。
哈密顿将军决定忍痛放弃拯救儿子的机会，但和史东关系十分要好的麦克格雷上校却竭力反对，眼看着救援的最佳时机即将过去，一直无法说服哈密顿将军的麦克格雷上校决定同好友福斯特（法兰奇·汤恩 Franchot Tone 饰）一同“深入虎穴”，会有怎样惊险和刺激的经历等待着他们呢？
The 41st Bengal Lancers are stationed on the Northwest Frontier of British India, guarding against Afridi invaders led by wily Mohammed Khan. Experienced (though insubordinate) Lieut. McGregor is joined by two new arrivals, haughty Forsythe and callow Donald Stone...son of the commanding colonel. We follow the three through varied adventures and hardships. Will they uphold the honor of the regiment? Will Stone and the Colonel come to terms with their difficult relationship?
存人欲 灭天理。
