Twelve-year-old Grace Abernathy has had the worst year ever. Her police officer dad was murdered on his way to her softball game, she's lost touch with her closest friends, and her grades are on a downward spiral. Life seems pretty hopeless. Then Grace's older sister, Regan, decides to train a service dog in order to enhance her college applications. Before long, Regan has tired of the project, and the dog, Rex, becomes Grace's responsibility. The upbeat mutt becomes a trusted friend to Grace and before long he even begins speaking to her. In fact, Rex is the one who tells Grace that the boy accused of killing her father is innocent. Can this really be happening? And can Grace find a way to do the right thing? Warm and compelling, this middle-grade novel will appeal to sensitive readers.