A young boy and his grandmother have a run-in with a coven of witches and their leader. The Witches, is a 2020  fantasy- comedy film written and directed by  Robert Zemeckis. It's based on the 1983  novel of the same name by  Roald Dahl and is the second feature-length adaptation of the novel, after the  1990 film of the same name. From the film, is a hero bottle of "mouse maker" with the liquid still included in the bottle. Standing at the front of the room, the Grand High Witch explains that each of the witches will open their own candy store, and will use this as a front to try out their new potion: “mouse make r”. She explains that a drop of the potion will transform a child into a mouse.