In Lanjiang City, Country A, Lin Zhixia, who was trained in art by her parents as a criminal police officer since she was a child, should have had a good life. Parents who respected each other like guests but were brave and fearless on the front line, a sunny and cheerful brother who was occasionally worried and venomous, and excellent grades. For Lin Zhixia, this was her happiest time. However, when she was twelve years old, everything was an illusion. Her parents were involved in the investigation. A serial murder case, an accidental sacrifice, and the two brothers and sisters depended on each other. At the age of eighteen, she originally applied for the Academy of Fine Arts according to the prescribed life plan, but she applied for the Criminal Police Academy without telling her brother. The brother and sister had a big quarrel. The tragedy of their parents was classified as an accidental sacrifice during the mission. However, Lin Zhixia and her brother Lin Zhiheng still refused to believe that the suspected serial murder case The details of the arrest operation are full of loopholes. They firmly believe that the death of their parents is no accident, and there must be an unknown conspiracy behind it. This doubt and unwillingness have been buried in the hearts of the brothers and sisters for twelve years, so Lin Zhixia, Lin Zhiheng, and Lin Zhiheng's two childhood friends Gu Mingchen and Shen Yu. In the process of solving the case again and again, they accidentally came into contact The clues of old cases that had been buried for many years gradually pointed to the serial murder case in which Lin Zhixia's parents died. As the investigation continued to deepen, the old cases and the new cases were inextricably linked. The truth that had been deliberately covered up gradually emerged. The truth behind the sacrifice of his parents and the real culprit of the serial murder cases were all revealed...
