Tang Ying, a junior lawyer going through a tough time meets a young man called Xu Ziquan. Things happen and the two end up pretending to date.

In a quiet coastal town, a missing bag of drugs ignites a chain of chaos, pulling together a detective, a desperate father, an ambitious young woman, and two siblings caught in addiction. As their lives collide, a risky rescue mission begins—one that no one will walk away from unchanged.

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.