Seunghyun has been promoted to a job at the M.O.N.S.T.E.R training facility, where he meets many distraught and scared kids. But when one catches his attention, he knows he needs to get them out of there, but to do so, he'll need the trainee's help. Will he be able to get them to trust him long enough to help, or will the whole escape operation go up in flames?