Yonghe Village was originally a peaceful village. A murder occurred on a dark and stormy night. The deceased was a woman whose identity and past were unknown. Just when everyone was helpless about the case, forensic doctor Bowen discovered that the deceased had mental illness by dissecting her brain. With the help of the villagers, Haoqiang and Zhiyuan learned that the deceased had a 16-year-old son. The two brothers found the victim's son, Kerry, but Kerry knew nothing about his mother, and the case turned into an unsolved case. After Kerry learned that his mother had been murdered, he vowed to be a policeman and to find out the real culprit who killed her. Eight years later, with Kerry's unremitting efforts and the company of his girlfriend Corinne, the truth finally emerged. However, the result was something he never expected. It turned out to be an experiment...
