When Darren Shan is taken to a circus that's chock-full of sideshow oddities, he meets a vampire and receives a life-changing bite on the neck.

After her attackers go free, Gaily Morton, the victim of a vicious assault, commits suicide. Her vengeful brother, brilliant robotics engineer and scientist, Dr. Albert Morton, decides to use his skills to enact vengeance, transplanting his sister's brain into a humanoid cyborg with bone-crushing strength and an array of built-in torture devices...

1988 film by Fran Rubel Kuzui