The End of Hongye

On a rainy night in 1978, a veteran Minggang policeman picked up a mysterious metal object that was far ahead of his time and sealed it away in the evidence warehouse. Twenty years later, Lan Xiao, a staff member of the security agency, found clues in the top-secret files and confirmed that the object was a future time and space device. A top-secret unsolved case that spanned twenty years was restarted.