Cha-il investigates a 3.4-million-dollars embezzlement case from a housing project and investigates Mi-kyung, the head of the Housing Team, who is his college junior. As the investigation progresses, a sexual harassment scandal occurs between them, putting the embezzlement case in turmoil. However, when Cha-il thinks he's solved the case, Hwang Dae-woong stands in his way.
