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.更多《幸福二重奏》无删减完整在线观看、幸福二重奏免费在线观看、幸福二重奏高清国语版相关恐怖资源，请持续关注CPP阳光影视!