在这部迫切的杀机犯罪/惊悚/恐怖片中,大罗有精神病，后来病情好转才放他出来，但仍要定期治疗，某天大罗在市场买东西，恰巧宝克的儿子推车横越马路，对面马路来了一辆车子，大罗奋不顾身推倒马克才救他一命，宝克很感激他，但大罗以为她爱上他，百般追求她，大罗走火入魔接连将自己母亲，饭店员工汤尼，和精神病患珍妮，包医生，莫警官等人杀死，幸好马克及时赶到，向大罗一刀射去才解决危难。
Clean-cut, handsome looking psychiatric patient Daryl Gleeson finds himself hopelessly falling in love with restaurant owner Brooke Daniels, after having instinctively rescued her little son Mikey from a traffic accident. When she doesn't return his love he snaps and begins to stalk her, eliminating all who stand in his way...
