Ethan Hunt is sent on a mission to infiltrate the Kremlin and retrieve classified files to identify Cobalt, a nuclear strategist for Russian intelligence. During the mission, Ethan's cover is blown and he barely escapes a massive explosion. He is then tasked to hunt down Hendricks, who has stolen a nuclear launch device and plans to detonate a missile. After a climactic fight, Ethan is able to abort the missile launch and save millions of lives. He introduces his IMF team to an old friend and gives them another dangerous mission to undertake.