Millie Bobby Brown is a quirky heroine in 'Enola Holmes' trailer

The official trailer to the much anticipated and star-studded film "Enola Holmes" is now here!

The detective film stars "Stranger Things" actress Millie Bobby Brown as Enola Holmes, Henry Cavill as the famous Sherlock Holmes, and Sam Clafin as Mycroft Holmes.

Set in England in the 1880s, the film is based on Nancy Springer's Edgar Award-nominated book series, The Enola Holmes Mysteries.

Enola is the Holmes brothers' unique little sister. She is on a mission to find her mother who has suddenly gone missing.

With her brothers on her tail, and a mysterious companion who brings with him more danger, Enola embarks on a challenging journey as she outsmarts the barriers in front of her.

The film is set to be released on Netflix this coming September 23. —Kaela Malig/MGP, GMA News