Shi Guiqing, who raised her daughter alone, suddenly passed away. When her daughter Shi Xiaowei picked up her belongings, she found a group photo which showed some clues to set her on the way to find her father.

A journalist, Situ Minghao, is devastated when his close friend and colleague Zhao Yong dies while investigating an organ trafficking case. But the horror deepens when Zhao Yong’s emails begin arriving after his death—foretelling the deaths of coworkers who soon meet their fates. As fear grips the magazine, suspicion spreads: who is behind the killings, and who will be the next target?