At the end of 1998, a white skeleton was unearthed from Dongshan, Changhe. After investigating the scene, criminal policeman Xie Cun concluded that it was basically impossible to solve the case.
Half a month later, a seemingly unrelated chemical factory employee was killed in the dormitory. It was at this time that Qin Yu, who had been away for many years, returned as a cameraman to follow the solving process of the He Laoliu case...
Intention: Even if you are in darkness, you should also look towards the light.