Akwai vampires. Aikin Hellsing ne, kungiyar da gwamnatin Birtaniyya ta dauki nauyi, ta boye wannan gaskiyar kuma ta kare mutanen da ba su sani ba. Tare da rundunarsa ta sirri, Hellsing kuma yana da weaponsan makaman asiri. Alucard, mai karfin gaske mai karfin gaske, Hellsing yana sarrafa shi tsawon shekaru. Kodayake ba ya son zama bawa ga dangin Jahannama, hakika yana jin daɗin aikinsa kamar yadda mai kashe wutar jeji na Hellsing yake. Seras wata tsohuwar vampire ce kuma tsohuwar 'yar sanda. Kodayake ba ta son rungumar sabonta, amma har yanzu tana cikin membobin ƙungiyar. Integra Hellsing, jagora na yanzu, yawanci tana da cikakken ikon cika aikinta, amma kwanan nan, ayyukan vampire yana ta ƙaruwa. Abun takaici, dalilin shine ya firgita fiye da duk abinda zata iya tunani. Wata kungiya da daɗewa suna tunanin sun mutu suna yin ƙira a ɓoye tun bayan halakar da suka bayyana shekaru 50 da suka gabata. Makirce-makirce don tsunduma Ingila, kuma wataƙila duk duniya, cikin yaƙi.
