When a girl is abducted by a vampire, a legendary bounty hunter is hired to bring her back.
A vagabond swordsman is aided by a beautiful ninja girl and a crafty spy in confronting a demonic clan of killers - with a ghost from his past as their leader - who are bent on overthrowing the Tokugawa Shogunate.
Two agents - a lady-killer human and a voluptuous demon - attempt to protect a signatory to a peace ceremony between the human world and the "Black World" from radicalized demons.