改编自同名小说，讲述了一个以人体实验的名义杀害无数人的连环杀人魔，和为了生病的女儿想要救他的律师及一定要法治他的检察官之间的故事。
Purim曾在爱情中遭受重创，他的恋人Rose为嫁豪门决绝离去，从此杳无音讯。但Purim始终未能走出这场情伤，复仇的执念在他心中生根发芽。多年后，Purim已成为商界巨贾，而Rose却沦落为酗酒赌博的瘾君子。当命运让两人再度相遇，Purim抓住复仇契机，以偿还赌债为条件，迫使Rose将女儿Kungsadarn嫁与他为妻。婚后相处中，Purim渐渐被Kungsadarn的纯善打动，冰冷的心房悄然漾开暖意。然而……他们的前路依然布满重重荆棘。
天光（郭晋安 饰）是重案组的CID，为人刚直不阿黑白分明。在追查一宗连环杀人案时，发现疑凶竟是二十年前从父亲手上逃脱的犯人。天光父亲大河（许绍雄 饰）是一名资质平庸的警察，且粗心大意不思上进，不仅让罪犯逃走，更是死在妓女床上，让天光母子蒙受巨大屈辱。以写作实况小说知名的作家高珊（陈慧珊 饰）此次亦追踪着天光手上的案件，二人对案件的不同理解造成摩擦，纷纷竞逐真相。 一日，天光发现父亲的旧电话神奇响起，对方声称自己是警察，只是所说所讲都停留在八十年代。细问起才发现那竟是二十年前的父亲大河！二人合作无间，跨越两个时空，共同追查真凶。
In the small village of St. Mary Mead, Colonel and Mrs. Bantry, owner of the local manor - Gossington Hall is shocked when one morning a young lady's body is found in the library. They call in the police who soon run up against a brick wall, only finding out that the body is that of a dancer in London who the Bantry's didn't even know. But how and why was her body left in the library? To find out the truth, the Bantry's call in the help of their good friend and detective - Miss Jane Marple.
