Cold Case: Criminal Investigation Team 9

The Criminal Police Squadron of the Xingchan City Public Security Bureau encountered a difficult murder car case. Five rookie police officers were accidentally selected by the chief to become the ninth group of secret police. They not only have to solve a series of heinous cases, but also explore the terrifying secrets hidden by the Xingchan City Public Security Bureau. What kind of conspiracy is hidden behind the mystery of the missing three policemen? Let's watch the undercover police officers clear away the fog, reveal the mystery of Criminal Investigation Team 9, and take you deep into the thrilling world of criminal investigation.