网络杀人案揭示了虚拟世界的黑暗与人性之复杂。欢乐颂大结局

　　Policewoman Anna Mari is forced to play a dangerous game with the title serial killer. If she loses, she witnesses the maniac's tortured victims having their throats cut in explicit close-up detail via webcam. She teams up with British cop John Brennan to find out the identity of the murderer.