In 19th century England, women are being attacked and appear to be under a spell. The people suspect Jason blood who's the alter ego of Etrigan so they go to his house and grab him. Sherlock Holmes doesn't believe its blood . He sees blood was in the middle of an incantation. Holmes completes it and Batman is brought to them. When he learns what happened to blood they rescue him. Together with Holmes they seek out the true culprit and discover its a future enemy who is trying to make a pact with a demon.
Did You Know?
Included as a bonus cartoon from the DC Comics Vault on the bluray release of Batman: Gotham By Gaslight (2018). See more
Craddock, he's going to betray you!
Give me the horn, human.
First, complete your end of the bargain. Make me immortal.
Very well. Your soul shall never pass from the Earth.
I feel invincible.
You're a foolish man to take that deal. A demon's promise is never real.