Mission Impossible Final Reckoning (2025): Cast, Plot and Ending Explained

Mission: Impossible: The Final Reckoning is a spy thriller in which Ethan Hunt, played by Tom Cruise, tries to stop a rogue artificial intelligence called the Entity from taking control of the world's nuclear systems. It picks up directly from Mission Impossible Dead Reckoning, where the Entity first surfaced after taking over a Russian stealth submarine.

Hunt holds the source code key to the Entity, and he refuses to hand it over. Instead, he sets out to stop Gabriel, the man who used to act for the Entity. His team breaks Paris out of prison and brings in a new recruit, Theo Degas, and then Luther Stickell hands them a piece of malware known as the Poison Pill.

The trouble starts when Gabriel captures Hunt and orders him to recover a key module from the wreck of the Russian submarine Sevastopol. That order sets up the central problem of the film: the module that would let Gabriel control the Entity sits in a wreck at the bottom of the ocean. If you have not seen the earlier films, the Mission Impossible characters page explains who is who before you press play.

The full plot of The Final Reckoning runs from Hunt's capture by Gabriel to a biplane chase, and it ends with the Entity trapped rather than destroyed. The Entity spreads its hold over the world's nuclear arsenals, helped by a doomsday cult. Hunt keeps the source code key out of reach and hunts Gabriel, while his team frees Paris, recruits Degas and receives the Poison Pill from Luther.

Gabriel captures Hunt and wants the Podkova module from the sunken Sevastopol, because it would let him control the Entity. Hunt escapes, and the Entity then demands access to a digital bunker in South Africa. Gabriel traps Luther with a bomb and steals the Poison Pill, and Luther sacrifices himself to limit a nuclear blast. Luther was also part of the team in Mission: Impossible (1996).

Jasper Briggs captures Hunt next and turns out to be the son of Jim Phelps, the IMF team leader of the 1996 film. With three days left before the Entity launches its weapons, Hunt persuades the US president to let him search for the Sevastopol. The team finds its coordinates off St. Matthew Island, and Hunt dives and recovers the Podkova from the wreck.

At the bunker, Gabriel attacks with a nuclear device, and Benji is shot. Gabriel flees with the Poison Pill and Hunt chases him, which leads to the biplane chase. Hunt gets the Poison Pill back and Gabriel dies in a crash. In the air, Hunt fits the Poison Pill into the Podkova, and Grace traps the Entity before it can launch. Luther's farewell message plays, the Podkova is destroyed, Briggs makes amends, and the team goes its separate ways. Grace gives Hunt the drive that holds the Entity.

The Final Reckoning premiered at the Cannes Film Festival on May 14, 2025, at the Grand Théâtre Lumière. It was Tom Cruise's third Cannes appearance, after Far and Away in 1992 and Top Gun: Maverick in 2022, according to Screen Daily.

The film had already held a premiere in Japan on May 6, 2025, and the US premiere took place at Lincoln Center in New York on May 18, 2025, according to CBS News.

The theatrical release then rolled out in three steps. Australia came first on May 17, 2025, followed by the UK on May 21 and the US on May 23, 2025. The US date is confirmed by Screen Daily, and the UK and Australian dates are reported by TMDB. For streaming, see the where to watch Mission Impossible page.

The ending of The Final Reckoning leaves the Entity contained but not erased: Grace traps it, and then hands Hunt the drive that holds it. In my opinion, that is a deliberate choice, since a deleted AI would have closed the story for good, while a drive in Hunt's hand keeps the threat alive.

Here is how the finish works, step by step. Hunt gets the Poison Pill back from Gabriel after the biplane chase, and Gabriel dies in a crash. Hunt then fits the Poison Pill into the Podkova, the module he recovered from the wreck of the Sevastopol, and he does it mid-air. Grace traps the Entity so it cannot launch the nuclear weapons, and after that the Podkova is destroyed. So, the machine is caged, not killed.

Why does the film stage its climax on two old biplanes rather than inside the bunker? It could be argued that the answer is practical as much as dramatic. According to American Cinematographer, the biplane chase was shot on location in South Africa over about 4.5 months, with Z Cam cameras hard mounted to the aircraft. The planes were about 80 years old, with rebuilt original engines, and crews repaired and reinforced them overnight between flights. That is a very different job from the A400M door stunt in Mission: Impossible Rogue Nation, where the aircraft was a modern military transport. Here the machinery is fragile, slow and open to the air, which makes the stakes feel physical. Pickup shots in Oxfordshire and Cambridgeshire were later matched to the South African light, so the seams in that sequence were closed in England.

The underwater half of the story sets up the same idea. The Sevastopol dive was staged in two tanks at Longcross Studios, one holding a submarine fuselage about 150 feet long and the other housing a gimbal that simulated flooding. Compare that with the Burj Khalifa climb in Mission: Impossible Ghost Protocol or the motorcycle cliff jump in Mission: Impossible Dead Reckoning: those set pieces are about height and speed, while the submarine sequence is about confinement, which is why the module scene feels quieter and tighter.

The small beats matter as much as the stunt work. Luther's last message is heard, a farewell for a character who has been in the series since Mission: Impossible (1996). Briggs makes amends, and because he is the son of Jim Phelps, it could be argued that his arc answers the first film as well. The team then splits up, which reads to me as the IMF crew standing down together rather than a breakup.

Perhaps the most useful detail is the drive. The studio marketed this as the final film, and I think the ending supports that reading as a personal farewell for Ethan, but the drive means a future story is not ruled out. As such, treat "final" as the studio's framing, not a promise. For what is known about any follow up, see Mission Impossible 9.

The Final Reckoning was filmed in the United Kingdom and South Africa, with Italy, Malta and Norway also listed as filming countries by The Numbers.

In the UK, the production built two large tanks at Longcross Studios for the underwater scenes. The deep dive tank was roughly 40 feet deep by 200 feet across and held a submarine fuselage about 150 feet long. The second tank was roughly 60 feet deep by 160 feet across and housed a gimbal that pitched, rolled and descended to simulate flooding. Later pickup shots for the biplane sequence were filmed in Oxfordshire and Cambridgeshire, England, to match the South African light.

The biplane chase itself was shot on location in South Africa over about 4.5 months. The red and yellow biplanes were about 80 years old, and their original engines were rebuilt. Crews repaired and reinforced them overnight between flights. For other set pieces across the saga, see the Mission Impossible stunts page.

The best known facts about The Final Reckoning come from its production, from the Cannes screening to the age of the biplanes.

• The Cannes screening was Tom Cruise's third Cannes appearance, after Far and Away (1992) and Top Gun: Maverick (2022).
• The biplane chase was shot on location in South Africa over about 4.5 months.
• Two large tanks were built at Longcross Studios for the underwater scenes, one of them with a gimbal that simulated flooding.
• Cinematographer Fraser Taggart used the Sony Venice as the main camera, as on Dead Reckoning. Z Cam cameras were hard mounted to the biplanes.
• The red and yellow biplanes were about 80 years old. Their original engines were rebuilt, and crews repaired and reinforced them overnight between flights.
• Pickup shots for the biplane sequence were filmed in Oxfordshire and Cambridgeshire, England, to match the South African light.
• Budget figures differ by source: Box Office Mojo lists $350 million and The Numbers lists $400 million.
• Runtime is 170 minutes according to TMDB, while Box Office Mojo and The Numbers list 169 minutes.