Lin Bei collected 200,000 yuan for surgery for his seriously ill father and went to the bank to withdraw money. He was suddenly robbed by robbers. The robbers sympathized with Lin Bei and gave him cash instead of taking away his life-saving money. As a result, Lin Bei was mistaken by the police as an accomplice in the robbery. Lin Bei was forced to board the robber's vehicle to escape. On the way, he was hit by Lu Zheng's car and lost control. He died in a car accident. After his death, Lin Bei's soul was reborn into the body of Lu Zheng, who killed him, and was accidentally bound to the "Thief System". Knowing that he had been judged as a robbery accomplice in his previous life and died on the spot, Lin Bei accepted the system task and decided to use his thief skills to find out the truth and become the number one detective!