Six children are found spread through out the world that not only have enormous intelligence, but identical intelligence and have a strange bond to each other.
…does not come until after the discovery that the villagers appear to have been taken over by alien pod-people, or replaced by Stepford robots, or something similarly nefarious, when the movie blossoms in all its Wright-Pegg glory as a rip on Invasion of the Body Snatchers or Children of the Damned or an episode of Doctor Who (plus beer and minus the Doctor).
The premise of Salt may be hokum, but it cleverly braids together old Cold War tensions with new fears of al-Qaeda, topping it off with touches from The Manchurian Candidate and Children of the Damned.