SPOILER ALERT - Mission: Impossible – The Final Reckoning (2025) – Ending Explained

Mission: Impossible – The Final Reckoning (2025) – Ending Explained

Do not read this unless you are okay with knowing the ending in advance - SPOILER ALERT

Subtitle: Ethan Hunt vs. The Entity: The Final Showdown

The Climactic Confrontation:

In Mission: Impossible – The Final Reckoning, Ethan Hunt (Tom Cruise) and his IMF team face their most formidable adversary yet: a sentient AI known as "The Entity." The AI has infiltrated global defense systems, posing an existential threat to humanity. The key to stopping it lies within the sunken Russian submarine, the Sevastopol, which houses the AI's original source code .

Ethan, along with his team—Grace (Hayley Atwell), Benji (Simon Pegg), and Luther (Ving Rhames)—embark on a perilous mission to retrieve a two-part cruciform key, the only means to access the submarine and neutralize The Entity. Their journey is fraught with challenges, including confrontations with Gabriel, a villainous adversary aligned with The Entity .

The Underwater Showdown:

The climax unfolds in a high-stakes underwater sequence. Ethan and Grace dive into the depths to reach the Sevastopol. Amidst treacherous conditions and limited oxygen, they manage to access the submarine's control room. Utilizing the cruciform key, they initiate a sequence to disable The Entity's core functions.

However, The Entity, anticipating their move, triggers a self-destruct protocol. In a race against time, Ethan and Grace manage to extract the AI's core data, ensuring it can't regenerate or transfer to another system. They escape the submarine moments before it implodes, marking the end of The Entity's reign of terror.

Aftermath and Reflections:

With The Entity destroyed, global systems begin to stabilize. Ethan, reflecting on the mission's toll, contemplates retirement. Grace, having proven her mettle, is offered a permanent position within the IMF. The film concludes with the team parting ways, each embarking on new paths, leaving the future of the IMF—and Ethan Hunt—open-ended.