Mingyu and Wonwoo work as special agents in the homicide squad. Using their unique skills, they are given a case involving a serial killer who seems to have resurfaced. But they soon realise that the case is deeper than they thought...
Characters Park JungSu || Kim YoungWoon || Lee HyukJae || Lee DongHae || Lee SungMin || Cho KyuHyun || Choi Siwon || Kim KiBum || Kim RyeoWook || Kim JongWoon || Kim HeeChul || HanGeng || Henry Lau || & || Zhou Mi