Rydr is on a train heading east, leaving California, where her gramma can't take care of her anymore, and traveling to Chicago to live with an unknown relative. She brings with her a suitcase, memories both happy and sad, and a box containing something very important. As Rydr meets her fellow passengers and learns their stories, her own past begins to emerge. And as much as Rydr may want to forget about her life in California, on the train she finds...