“暴食”、“贪婪”、“懒惰”、“嫉妒”、“骄傲”、“淫欲”、“愤怒”,这是天主教教义所指的人性七宗罪。城市中发生的连坏杀人案,死者恰好都是犯有这些教义的人。凶手故弄玄虚的作案手法,令资深冷静的警员沙摩塞(摩根•弗里曼 Morgan Freeman 饰)和血气方刚的新扎警员米尔斯(布拉德•皮特 Brad Pitt 饰)都陷入了破案的谜团中。他们去图书馆研读但丁的《神曲》,企图从人间地狱的描绘中找到线索,最后从宗教文学哲学的世界中找到了凶手作案计划和手段的蛛丝马迹。凶手前来投案自首,这令众人都松了一口气,以为案件就此结束,怎料还是逃不出七宗罪的杀人逻辑,这次凶手瞄准的目标,是那个犯了“愤怒”罪的人……A film about two homicide detectives' (Morgan Freeman and (Brad Pitt desperate hunt for a serial killer who justifies his crimes as absolution for the world's ignorance of the Seven Deadly Sins. The movie takes us from the tortured remains of one victim to the next as the sociopathic "John Doe" (Kevin Spacey) sermonizes to Detectives Somerset and Mills -- one sin at a time. The sin of Gluttony comes first and the murderer's terrible capacity is graphically demonstrated in the dark and subdued tones characteristic of film noir. The seasoned and cultured but jaded Somerset researches the Seven Deadly Sins in an effort to understand the killer's modus operandi while the bright but green and impulsive Detective Mills (Pitt) scoffs at his efforts to get inside the mind of a killer...