Millie Bobby Brown will be part of a mystery-solving family in her new Netflix film.
Brown will star as Enola Holmes, the sister of Sherlock Holmes. A preview for the movie debuted on Tuesday.
Enola will investigate the disappearance of her mother Eudoria (played by Helena Bonham Carter). Henry Cavill plays Sherlock.
Enola Holmes debuts on September 23rd.
Did you read the Enola Holmes books
