Armed with a backpack and flashlight, Spot begins searching the backyard for clues. It is not long before he finds alarming evidence. While interviewing the suspect, a mystery unfolds that leaves Spot perplexed. Will he ever solve the case of the disappearing toy and better yet, find his beloved ball? In this charming story for children, a dog who has lost his favorite ball sets out on a search for clues in his backyard that leads him on a crazy adventure.