Whileinvestigatingadrug-traffickingapp, “MonsterCop”MaSeok-doandhisteamdiscoveraconnectionbetweentheapp’sdeveloper, whowasmurderedinthePhilippines, andanillegalonlinegamblingorganisation.Meanwhile, inthePhilippines, BaekChang-giiscontrollingtheKoreanonlineillegalgamblingmarketandspreadingterrorwithkidnap, assaultandmurder.Hispartner, theITgeniusChangDong-cheol, isplanninganevenlargerschemeinKoreaitself.Toputanendtotheescalatingthreat, DetectiveMaexpandshisoperationbyproposinganunexpectedalliance…！