A mysterious body by the Tong River resurfaces clues to a five-year-old case, bringing together three childhood friends—now a criminal investigator, a detective, and an undercover agent. As they pursue the truth behind multiple unsolved crimes, they navigate hidden dangers and unravel deep conspiracies.
| Directing | Tian Yi | Director |
| Writing | 顾汉语 | Writer |
| Writing | 弃吴钩 | Novel |
