Twelve-year-old Moose Flanagan, his sister, Natalie, and his parents have just moved into their new home and their new lives on Alcatraz Island. Dad has a new job working for the prison, and Moose has a new job trying to make a place for himself and coping with Natalie who is autistic. The family is trying to find a school for Natalie and trying to make the struggles with Natalie seem as normal as possible, so Dad doesn't lose his position. A lot of responsibility falls on the shoulders of Moose, and he slowly comes to the realization that he needs the help of the most famous inmate, Al Capone. Heartfelt. Ages 9-13