In Dogtown, a shelter for unwanted canine and robot dogs, an extraordinary bond develops between Chance, a longing three-legged dog, Metalhead, an empathetic robot, and Mouse, their friendly ally, as they strive to find forever homes.

Clover, who wants to change her bad luck, accepts a volunteer position at a pet adoption agency unlike any other and soon finds herself in a world of fairy horses, dragons with temperamental snouts, wizards, princesses, and, unfortunately, witches.