[Unit to solve crimes] + [Almighty hard-core reasoning] + [Mild emotional entanglement].
Ten years ago, Han Songming, deputy captain of the Criminal Police Team of Jiangzhou City Public Security Bureau, and his eldest son were murdered at home. Their 14-year-old daughter Han Yuling happened to be away from home and survived. The police quickly identified the murderer, but they have been wanted for many years but have not found any trace of him... Ten years later, the adult Han Yuling inherited her father's warning and determined to avenge her parents and brother. However, when she re-examined the old case ten years ago, she was shocked to find that there was a deeper inside story about her father's murder ten years ago. Her father's most trusted old comrade-in-arms was full of doubts...
On New Year's Eve, a successful middle-aged entrepreneur couple returned to their hometown in the countryside for the first time to celebrate the New Year but were brutally murdered. The police had been investigating for more than a year but had no clue...
Two rising stars in the entertainment industry were carefully planned and assassinated, and the killer even warned the police in advance...
Faced with difficult and unsolved cases, Han Yuling and Zhou Kaifeng, who had just transferred from the special forces to the police, worked together to fight with the masterminds behind the scenes to find out all the truth!
