Former agent Ethan Hunt is now having a quiet and peaceful life along with Julia, his soon to be wife. But one night there comes a new mission for Ethan, the rescue of an ex colleague, Lindsey, kidnapped by a sadistic and dangerous weapons dealer, Owen Davian. There's one thing: Julia does not know that Ethan is a secret agent. So, Ethan will have to accept the mission without telling Julia the truth. Things do not go well with the rescue, and now Ethan is in search of Owen, who is closing some deals in The Vatican. Brassel, the agency director, puts Ethan in charge of another misssion: locating a mortal weapon, only known as the "Rabbit's Foot". The answer will be at Owens secret documents and information. So Ethan, with the assistance of and incredible team formed by his old mate Luther, and new acquisitions like Zhen and Declan, will chase Owen all over the world, from Rome to Shanghai City, using high-tech and all sorts of gadgets. Ethan's little secret to Julia will have fatal consequences, finding out that happiness of love won't combine with his secret work as a spy. Normally I don't "tell" movies, but there is a someone close to Ethan is crooked. Guess who!