It’s 1935, and one of the country’s most infamous mob bosses, Al Capone, is behind bars on Alcatraz Island. 12-year-old Moose Flanagan and his family move from Santa Monica to the island where his dad gets a job at the prison so they can send his older autistic sister Natalie to a special school in San Francisco. But when Natalie doesn’t get into the school, Moose has to give up baseball and after school activities in order to take care of her, and her eccentric and occasional difficult ways make life hard for Moose. But when he befriends the warden’s troublemaking daughter and the other children living on the island, he soon finds himself involved in an elaborate moneymaking scheme that has some surprising results.
