马洛（迪克·鲍威尔 Dick Powell 饰）是一名独来独往的私家侦探，某日，马里特（Douglas Walton 饰）找到了马洛聘他当自己的保镖，结果马洛却莫名其妙的挨了一顿打。之后，一个叫安（安妮·雪莉 Anne Shirley 饰）的女孩现身，她告诉马洛，他所遭遇的一切和她的继母格雷尔夫人及其所拥有的翡翠有着千丝万缕的关联。对翡翠深感好奇的马洛决定将这一连串的事件调查个水落石出。
在安的协助下，马洛对事件的全貌渐渐的有了了解，而隐藏在背后的，是安的父亲（迈尔斯·曼德 Miles Mander 饰）
Pearl is a typical sixteen-year-old vampire. Fond of blood, allergic to the sun, and generally pretty evil. But after a mysterious attack leaves her able to survive in the daylight, everything changes. Pearl's powerful family soon finds a way
Aston , a quiet, reserved man, lives alone in a top-floor cluttered room of a small abandoned house in a poor London district. He befriends and takes in Mac Davies , an old derelict who has been fired from a menial job in a café. In time Aston offers him
In 1828 Scotland, Edinburgh surgeon Dr. Knox does medical research on cadavers he buys from murderers Burke and Hare, without questioning the unethical procurement methods.
