Mission: Impossible – Dead Reckoning Part One follows IMF agent Ethan Hunt (Tom Cruise) as he embarks on a high-stakes mission to prevent a powerful AI, known as “The Entity,” from falling into the wrong hands. This AI has the potential to control global security systems and wreak havoc. To stop it, Ethan must retrieve a two-part key that grants access to the Entity’s core.

Ethan is joined by his trusted team, including Benji (Simon Pegg), Luther (Ving Rhames), and a new ally, Grace (Hayley Atwell), a skilled thief. Their journey takes them across several international locations, where they face betrayals, dangerous adversaries, and the ever-looming threat of the Entity’s power. The film explores themes of trust, betrayal, and the ethical implications of artificial intelligence as Ethan races to stop the AI from taking control of the world.