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. 电影叙述,阐述,陈述,描写四名美国士兵在二战最后几天，在意大利山腰的艰苦攀登中，被一名险恶,凶恶,歹毒,恶毒冷血的军官捕获，后来得到一位意志不明的忠心耿耿的老人作为他们的引路人。