Scatteredandalone,themembersoftheArmedDetectiveAgencydisappearonebyoneasKamui,theleaderoftheDecayoftheAngel,seekstoeliminatethemonceandforall!ButAtsushiandtheothersaren’toutofthefightjustyet.Astheypiecetogetheralliesandinformationinpreparationforacounterattack,thereturnofafamiliarfacebringshopethattheymaybeabletoturntheirdesperatesituationaround!Howeverlongthenight,thedawnwillbreak--theagency’srevivalisathand!