When the CIA absorbs the IMF, Sloane assigns Walker to accompany Ethan Hunt and his team as they embark on a mission to capture John Lark, a terrorist who leads a group known as the Apostles.

CIA chief Hunley (Baldwin) convinces a Senate committee to disband the IMF (Impossible Mission Force), of which Ethan Hunt (Cruise) is a key member. Hunley argues that the IMF is too reckless.