Ten-year-old Caspar "Caz" Cadman loves baseball and has a great arm. He loves the sounds, the smells, the stats. When his family moves from Toronto to a suburb of Seattle, the first thing he does is try out for the local summer team, the Redburn Ravens. Even though Caz is thrilled when he makes the team, he worries because he has a big secret. No one knows that back in Toronto, Caz used to live life as a girl named Cassandra. And it's nobody's business. Caz will tell his new friends when he's ready. But when a player on a rival team starts snooping around, Caz's past is revealed, and Caz worries it will be Toronto all over again. Will Caz's teammates rally behind their star pitcher? Or will Caz be betrayed once more?