本片根据真实事件改编而成,很大程度上取材于本片主角——那个杀人狂杰弗里的父亲写的一本回忆录《一个父亲的故事》。连环杀手杰弗里本身是个同性恋,出生于1960年,1994年他在坐牢时,被同室囚犯所杀。杰弗里一共杀害了17个人,其后不仅吃掉了他们尸体上的某些部分,把他们的头骨保留下来,油漆上颜色放在家里,将他们组合成怪异的样子来进行奇怪的性仪式……Before his arrest and conviction for serial murders, chocolate factory worker Jeffrey Dahmer hunts Milwaukee, Wisconsin, for young attractive males to turn into unconscious (eventually dead) human sex toys, current acts which often prompt memories of earlier killings and of dealings with his suspicious but unaware father.