A man who should have "died in a fire" thirty years ago.
A murder chain spanning thirty years, from the fire in the old residential building in the east of the city, to the explosion in the chemical plant, to the young people disappearing on the streets today. Every missing person has appeared in a certain place at some point in time and seen something they shouldn't have seen.
On the day Gu Yu disappeared, Shen Weiguo appeared near the hospital where she worked.
Two men who have lost their loved ones, a policeman chasing the murderer, and a son seeking revenge, meet at the crossroads of fate. What they want to trace is not only the same murderer, but also the truth that spans two generations——
What is that murderous man trying to cover up?
