As he becomes consumed by his mad plan to bring the dead to life, Dr. Henry Frankenstein exhumes multiple corpses for parts to use to create a monster that he successfully brings to life, unaware of the terrible consequences his experiment will have for him and the town.
After Dr. Frankenstein and his Monster have survived the fire in the windmill, he attempts to have a new start. But he finds himself forced to use his experiments once again when his wife is kidnapped by a mad scientist, who wants him to create a mate for the Monster.
The Wolf Man reappears to search for a cure for his condition and decides to seek the help of a mad scientist, who claims that he will rid the Wolf Man of what he is in, and also return the body of Frankenstein.