Blamed for a terrorist attack on the Kremlin, Ethan Hunt (Tom Cruise) and the entire IMF agency are disavowed by the U.S. government, while the president initiates the Ghost Protocol. Forced to go ``off the grid'' -- left without resources or backup -- Hunt must somehow clear the agency's name and prevent another attack. Complicating matters even more, Ethan must undertake the impossible mission with a group of fellow IMF fugitives whose actual motives are suspect.