crime profile expert fang rijin (chen jiale decoration) received a bizarre call for help, saying that the caller was from the future, and it was announced that many brutal murders were about to happen! rijin and female detective xing kelan (played by chen xiaohua), forensic assistant zhuang dingqin (played by ruan haozhun), tried to stop the murder, but the murderer took the initiative to attack... rijin finally learned the true identity of the caller, and learned that kelan would be in crisis and his ultimate destiny! however, rijin lost contact with future callers, and the killer was pushing them step by step! the clock of death begins to count down, and one difficult-to-solve murder after another occurs one after another. rijin has to compete with time to catch the killer as soon as possible and change the future... bbb