Gao Tian, ​​a top student at the police academy, was assigned to work in the Nanbin City Public Security Bureau after graduation. He sadly left the police force after being unfairly punished in an economic case. After several years of struggle, Gao Tian re-emerged as the Deputy Director of an Economic Development Zone in Guangzhou and became a promising young leader in the economic field. Just when his career and life were going smoothly, the Deputy Director of the Public Security Department recognized talents, revoked the wrong punishment against Gao Tian, ​​and urged him to return to the Nanbin City Public Security Bureau, which put him in a dilemma.