In the early 1990s, a peaceful small county was broken by a bizarre disappearance. Criminal police captain Li Gang was ordered to face the danger, and clues were scarce, making the investigation difficult. After finding key evidence in an abandoned factory, intern Xiao Zhang joined. The two were blocked by unknown forces during their tracking. Before he could take a breath, a similar new case arose again. Li Gang decided to investigate the cases together and joined hands with the old detective Wang Shu to go deep into the underworld. After a dangerous investigation and thrilling confrontation, the truth was finally revealed. The case comes to an end, justice is served, and new challenges quietly come.
