After losing several secret-service undercover agents, the Provincial Anti-drug Police Team comes to the Taihai Sports Institute to recruit people. Xu Pingqiu, an agent with a strong anti-drug mentality, befriends the college's rebellious top student gang. Although this group of guys does not study hard, they each have their own strengths, and they know how to advance and retreat. However, school is no easy fight for student Yu Zui since he has the intention to become a police officer. ~~ Adapted from the novel "Remaining Sins".Edit Translation