Bai Chuan, a top student at the Provincial Police Academy, returned to his hometown of Chenghai City and joined the Criminal Investigation Team 1 of the Chenghai City Public Security Bureau. Zhao Weiguo, the captain of the Criminal Investigation Team, became Bai Chuan's master. From the beginning, Zhao Weiguo was dissatisfied with Bai Chuan's theoretical knowledge, but was attracted by his energy that never hits the wall and never looks back. The two went from strangers to familiarity to tacit cooperation, solving major cases one after another.
