Enola Holmes 3: Everything You Need to Know About Millie Bobby Brown's Netflix Return

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Millie Bobby Brown returns as Sherlock Holmes's equally brilliant younger sister in Enola Holmes 3, the third installment of Netflix's mystery-adventure franchise. Set in Malta, the film follows Enola as she prepares to marry Lord Tewkesbury, only for her wedding plans to be derailed when her brother Sherlock disappears.

Released on July 1, 2026, the film brings back familiar faces while introducing new characters and a fresh mystery involving stolen treasure and colonial conspiracies.

Enola Holmes 3 at a Glance

Cast and Characters

The film assembles a mix of returning favorites and new additions to the franchise.

Returning Cast

• Millie Bobby Brown as Enola Holmes — The titular detective returns for her third adventure, now an experienced investigator preparing for marriage.
• Louis Partridge as Lord Tewkesbury — Enola's love interest from the previous two films, now a viscount whose family connections tie into the central mystery.
• Henry Cavill as Sherlock Holmes — Enola's famous brother, whose disappearance sets the plot in motion.
• Helena Bonham Carter as Eudoria Holmes — The Holmes siblings' free-spirited mother, who serves as an officiant at the film's climax.
• Himesh Patel as Dr. John Watson — Sherlock's trusted companion, who aids Enola in her investigation.

New Cast Members

• Sharon Duncan-Brewster as Professor Moriarty — The criminal mastermind takes center stage as the primary antagonist, operating under a new identity.
• Hattie Morahan as Lady Tewkesbury — Tewkesbury's mother, whose choice of Malta as the wedding venue proves significant to the plot.
• Susan Wokoma as Edith — Eudoria's confidante and Enola's mentor.
• Joe Azzopardi as Mikiel Mizzi — A Maltese freedom fighter who allies with Enola.
• Jason Watkins as Brigadier Sampson — Tewkesbury's godfather and a key figure in the mystery.

Plot Summary

Enola Holmes 3 takes the franchise to Malta, where Enola arrives for her wedding to Lord Tewkesbury. The ceremony is being held there because Tewkesbury's late father served during the British occupation of the island, and his mother believes it holds special significance for the family.

Before the wedding can proceed, Sherlock vanishes under mysterious circumstances. Enola discovers that her brother was secretly working on another case before his disappearance, leaving behind coded clues that she must decipher.

The investigation leads Enola to Professor Moriarty, who has escaped from prison and is living under the alias Professor Adeline Rathe. Moriarty has orchestrated events to lure Enola to Malta, setting her on the trail of a decades-old conspiracy involving stolen Afghan gold and corrupt British officers.

Enola teams up with Dr. Watson and Maltese freedom fighter Mikiel Mizzi to unravel the truth, navigating danger and betrayal while questioning whether she can balance her identity as a Holmes with her future as a wife.

The film does not follow any of Nancy Springer's Enola Holmes Mysteries novels, instead telling an original story.

Production Details

Enola Holmes 3 marks a significant change for the franchise behind the camera. Philip Barantini takes over directing duties from Harry Bradbeer, who helmed both previous installments. Barantini is known for directing Adolescence, a critically acclaimed drama.

Jack Thorne returns to write the script, having penned the screenplays for both Enola Holmes and Enola Holmes 2. Like the previous films, the screenplay is credited as based on Nancy Springer's book series, though this entry tells an original story rather than adapting a specific novel.

The film was produced by Mary Parent, Alex Garcia, Ali Mendes, Millie Bobby Brown, Robert Brown, Michael Dreyer, and Jack Thorne. Legendary Pictures produced the film in association with PCMA Productions and Latina Pictures.

How to Watch Enola Holmes 3

Enola Holmes 3 is streaming exclusively on Netflix. The film premiered on July 1, 2026, and is available to all Netflix subscribers worldwide.

All three Enola Holmes films are currently available on Netflix:

1. Enola Holmes (2020)
2. Enola Holmes 2 (2022)
3. Enola Holmes 3 (2026)

A Netflix subscription is required to watch the film. The service offers multiple subscription tiers with varying video quality and device support.

Reviews and Reception

Enola Holmes 3 received generally positive reviews from critics. The film holds a 67% approval rating on Rotten Tomatoes based on 61 reviews.

In terms of viewership, the film debuted with 20.7 million views in its first five days on Netflix, making it the most-watched title on the platform during the week of June 29 to July 5, 2026.

Critics praised Millie Bobby Brown's performance, noting her growth in the role. The film's blend of action and mystery, along with its Mediterranean setting, received positive mentions in several reviews.

Ending Explained

This section contains major spoilers for Enola Holmes 3.

The final act of Enola Holmes 3 resolves the mystery of the stolen Afghan gold. Enola discovers that Brigadier Sampson, Tewkesbury's godfather, was involved in stealing the treasure alongside several corrupt British officers. They had transported the gold to Malta decades earlier during the Battle of Khost and hidden it in a secret cave.

Moriarty's true motive becomes clear: she manipulated events to force Enola to locate the treasure for her. However, Enola anticipates the ambush and, with help from Tewkesbury and Mikiel's rebels, manages to escape with the gold.

In the climactic confrontation, Enola and Sherlock face Moriarty together. Sherlock is tempted to kill her after enduring torture, but Enola persuades him to show mercy. They arrest Moriarty instead.

The resolution sees Brigadier Sampson and the corrupt officers arrested. Rather than allowing Britain to keep the stolen treasure, Enola and Sherlock ensure it is returned to Afghanistan. Mikiel believes the scandal will strengthen Malta's independence movement.

The film concludes with Enola and Tewkesbury's wedding, officiated by Eudoria. Tewkesbury renounces his aristocratic title after learning of his father's involvement in imperial crimes, choosing to live under his birth name. Enola decides to keep her identity as Enola Holmes after marriage.

The ending leaves the door open for future adventures while providing closure to the romantic storyline.

Enola Holmes Franchise Watch Order

If you're new to the franchise or want to revisit the series, here's the correct viewing order:

1. Enola Holmes (2020)

The first film introduces Millie Bobby Brown as Enola, a sixteen-year-old girl with a gift for solving puzzles. When her mother disappears on her birthday, Enola travels to London to find her, crossing paths with a young Lord Tewkesbury along the way. Henry Cavill appears as Sherlock in a supporting role.

2. Enola Holmes 2 (2022)

Enola opens her own detective agency in London and takes on her first official case, which leads her into a conspiracy connected to the 1888 Matchgirls' Strike. The film deepens Enola's relationship with Tewkesbury and introduces Himesh Patel as Dr. Watson.

3. Enola Holmes 3 (2026)

The third installment takes the story to Malta, where Enola's wedding plans are interrupted by Sherlock's kidnapping and a mystery involving stolen treasure and Moriarty.

All three films are streaming on Netflix.

Information last checked on 2026-07-17.