Set in Victorian England, this film follows the spirited and intelligent younger sister of the famous detective Sherlock Holmes, as she embarks on a thrilling quest to find her missing mother. The movie stars Millie Bobby Brown in the titular role, alongside Henry Cavill as Sherlock and Sam Claflin as Mycroft Holmes. Directed by Harry Bradbeer, the film combines mystery, adventure, and a touch of humor, offering a fresh perspective on the Holmes family. It can be viewed on 123Movies / Movies123 for free.