It is 1935 and Moose Flanagan's dad has just been hired to work as an electrician on Alcatraz Island, home to the most famous prison in the United States. What is worse, Moose's whole family is moving to the island to take up residence next door to Al Capone, Machine Gun Kelly, and a host of other notorious convicts. Complicating an already dicey situation is Moose's autistic sister, Natalie, whom the family is trying desperately to have enrolled...