It follows four American soldiers set out on the grueling ascent of an Italian mountainside in the closing days of WWII, haunted by their evil sergeant’s cold-blooded murder of a young woman and with an old Italian man of uncertain loyalties as their guide. 電影講述四名美國士兵在二戰最后幾天，在意大利山腰的艱苦攀登中，被一名邪惡冷血的軍官捕獲，后來得到一位意志不明的忠心耿耿的老人作為他們的引路人。