Amethyst: The Gem Behind the Slaughter

Amethyst: The Gem Behind the Slaughter is a 2019 American horror/thriller film directed by Jade Wilson based off of the 2013-2019 Cartoon Network series Steven Universe. It was released on November 5th, 2019.

Plot
In 1987 in Beach City, Crystal Gem member Amethyst is caught being in a notorious criminal organization known as the M112. Steven Universe, his girlfriend Connie Maheswaran, Big Donut employees Lars Barriga and Sadie Miller, and the rest of the Crystal Gems must track Amethyst down and kill her.