Crime profiler Fong Yat-chun receives a bizarre distress call, and the caller is astonishingly from the future. They predict brutal murders are going to take place! Yat-chun teams up with female detective Ying Ho-lam and forensics assistant Chong Ding-kan to prevent the deadly incidents from happening. But the perpetrator gets a head start and commits crime. Yat-chun eventually ascertains the caller’s true identity. He also finds out Ho-lam is going to get into trouble. And Yat-chun knows his de...