His grandmother will soon be heading cross-country in an RV with her new husband, so fifteen-year-old Grady Grennan has to find a new address. He could move in with his younger half brother, Louie, but Louie is retarded, and though Grady loves him, that's tough to take. And Louie's stepmother, Vickie, is deeply religious and runs a strict household. Nevertheless, Grady's staying with them in Seattle while he's there for a concert tribute to his and Louie's mother, Debbie Grennan, a rock icon who died from a drug overdose three years ago.