A brave scientist has been studying thousands of cases related to alien abductions. By placing abductees under hypnosis, he arrives at the unsettling discovery that for thousands of years, a variety of extra-terrestrial races have been installing their active memories in abducted people's brains. These alien races exploit a powerful source of energy that only humans have: the Soul.
In the 4th installment of the Mission Impossible series, Ethan Hunt (Cruise) and his team are racing against time to track down a dangerous terrorist named Hendricks (Nyqvist), who has gained access to Russian nuclear launch codes and is planning a strike on the United States.
There is a new criminal mastermind at large--Professor Moriarty--and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.