Pirates of the Caribbean: The Curse of the Black Pearl
Elizabeth, on board the Black Pearl, learns that the crew is under the curse of a chest of Aztec gold. They need the blood of each crew member to break the curse. However, Bootstrap Bill was killed, and they still need his blood, or the blood of his descendant. They believe Elizabeth is his descendant. They plan to spill her blood on the chest of Aztec gold in hopes to break the curse.