Chovuta chachikulu chinawononga dziko la Japan ndikuwononga kwambiri Tokyo, ndikumira magawo atatu amatauni kunyanja.
Zaka khumi pambuyo pake, nkhaniyo idasamukira ku Ganta Igarashi, wophunzira yemwe akuwoneka ngati wamba wopita kusukulu yapakatikati ya Nagano Prefecture. Monga wopulumuka, wopulumuka chivomerezicho chomwe ndi chosangalatsa, Ganta wakhala moyo wokhazikika ndipo samakumbukira za tsoka. Zonsezi zimasintha pomwe munthu wachilendo wovala zida za ruby ndipo magazi amayandama kudzera m'mawindo ake m'chipinda cham'kalasi. Akumwetulira mwamisala, 'Red Man' akupha gulu lonse la Ganta koma m'malo momupha, amalowetsa kansalu kofiira pamiyendo ya Ganta. Pasanathe masiku angapo kuphedwa kumeneku, a Ganta aweruzidwa kuti aphedwe ku Deadman Wonderland, ndende yomwe imapezekanso ngati malo osungiramo zinthu zakale ndipo amapatsidwa khothi la kangaroo ngati womutsutsa.
Atafika m'ndende, Ganta amakonzedwa ndi mantha apadera omwe amatsata zizindikilo zofunika komanso malo ake. A poizoni wakupha amabayidwa nthawi zonse mumtsinje wamagazi kudzera pakulandidwa, komabe, atha kutayikiridwa ndikumwa mankhwala okoma ngati katatu, omwe nthawi zambiri amachitika mndende, kutanthauza kuchitira unyinji , akugwiritsanso ntchito kumbuyo, kugula ndi zinthu zabodza (mtundu wa ndalama pakati pa akaidi ku Deadman Wonderland), ndi zina. Kuti asonkhanitse Cast Points, wolakwayo ayenera kuchita nawo masewera owopsa a malowa ndikukhala moyo. Mwamwayi kwa Ganta, mayi wodabwitsa wotchedwa Shiro, yemwe akuwoneka kuti akumvetsetsa Ganta, ndipo amamangidwa ndi akaidi ena nthawi yomweyo amamuthandiza.
Pofunafuna kukhala ngati wolakwira munthu yemwe adzaphedwe, Ganta amatanthauza kupeza 'Red Man' kuti atsegule udindo wake. Potembenuka modabwitsa, Ganta akuyamba kukhala ndi mphamvu zowongolera magazi ake, kuti akhale chida champhamvu pamaganizowo. Ganta sakudziwika, adakhala m'modzi mwa "Deadmen," ndende zingapo zomwe nthambi za Sin zimawapangitsa kuti athe kuwongolera magazi awo. Ganta amapangidwa kuti achite nawo masewera achiwawa omenyera nkhondo otchedwa Carnival Corpse, omwe owonera osadziwika amalipira ndalama zochulukirapo kuti athe kuwona ukadaulo wake ukapezeka. Pankhondo yake yayitali kuti akhale ndi moyo amatha kukhala ndiubwenzi ochepa mwa omwe adawamenyera pa bwaloli ndipo mothandizidwa nawo, Ganta adapitiliza kufunafuna kwake kuti adziwe 'Red Man', chifukwa chomwe adasinthira kukhala Deadman, komanso zinsinsi zobisika zomwe olamulira kundende akubisala
