Lucas Ray is shocked when an adorable puppy jumps out of an abandoned building and into his arms. Though his apartment doesn't allow dogs, Lucas can't resist taking Bella home. After Bella is picked up by Animal Control because pit bulls are banned in Denver, Lucas has no choice but to send her to a foster home until he can figure out what to do. But Bella, distraught at the separation, doesn't plan to wait. With four hundred miles of dangerous Colorado wilderness between her and her person, Bella sets off on a seemingly impossible and completely unforgettable adventure home.