In New York, armed men hijack a subway car and demand a ransom for the passengers. Even if it's paid, how could they get away?
When other Scanners in the Los Angeles area are left drained of life, Sam is forced back into action in a desperate attempt to stop Volkin, who is determined to become the most powerful - and ruthless - of his kind.
The history of American popular music runs parallel with the history of a Russian Jewish immigrant family, with each male descendant possessing different musical abilities.
