A doctor investigates the murders of several women at a lakeside resort. His investigation leads him to believe that a vampire is responsible for the murders. He sets out to track the vampire down.

Dracula, played by an uncredited caucasian, was shipwrecked in the 1600s in Japan, when Christianity was illegal. He was forced to spit on the cross and wander alone in the desert. Upon finding himself bleeding, he was so thirsty he drank the blood and acquired a taste for it, attacking local teenager Keiko. In present day, Professor Shiraki arrives at a girl’s school where he was to be teaching, but now the principal, whose wife died in a car accident, wants Shiraki to take over for him. The principal is keeping his wife in the cellar for a week, supposedly according to local custom, to see if she might return to life. Immediately suspicious, Shiraki investigates and becomes entrenched in horror of the vampires. Three girls are caught up too, as one has already been bitten, and her roomates stay to care for her.

A Shogun who grew paranoid as he became senile sent his ninjas to kill his samurai. They failed but did kill the samurai’s wife. The samurai swore to avenge the death of his wife and roams the countryside with his toddler son in search of vengeance.

In the second film of the Lone Wolf and Cub series, Ogami Itto battles a group of female ninja in the employ of the Yagyu clan and must assassinate a traitor who plans to sell his clan’s secrets to the Shogunate.