Enola Holmes is a 2020 mystery film starring Millie Bobby Brown as the title character, the teenage sister of the already famous Victorian-era detective Sherlock Holmes. The film is directed by Harry Bradbeer from a screenplay by Jack Thorne that adapts the first novel in The Enola Holmes Mysteries series by Nancy Springer. In the film, Enola travels to London to find her missing mother but ends up on a thrilling adventure, pairing up with a runaway lord as they attempt to solve a mystery that threatens the entire country. In addition to Brown, the film also stars Sam Claflin, Henry Cavill, and Helena Bonham Carter.