Dong Man has left the Police University without knowing that a burner phone that Sun Ho has been tracking just retrieved a signal. Sun Ho then assembles a unit with Kang Hee and a few others to investigate the location pinpointed by GPS. Meanwhile, Dong Man focuses on what he can do by himself to solve the case as he comes across important information from Kang Hee’s mother.
Sun-ho y sus amigos rastrean la ubicación del teléfono prepago. Los profesores intervienen para proteger a sus estudiantes de un peligro mayor.
