在黑暗角落，真相等待被揭开，谜团渐渐浮现。国产在线视频国产永久视频

　　Mysterious deaths happens continuously, at the same time a private detective is waiting for an interesting case. A kid asks the detective to find the murderer of his dog, then he collects clues which are interrelated with the dog's murder. Is the mystery solved by the detective ?