Sometimes the wildest dogs turn out to be the greatest heroes! When the Peterson family agrees to foster a scruffy, mixed-breed dog named Muttley, they quickly realize they might be in over their heads. Muttley is overflowing with chaotic energy, refusing to listen to commands, jumping on the furniture, and acting completely untrainable. Charles and Lizzie are exhausted trying to teach him basic manners, and finding him a forever home seems like an impossible task. But beneath Muttley's unruly behavior is a sharp mind and a brave heart. Late one night, when the rest of the house is fast asleep, the clever mutt suddenly smells dangerous smoke creeping through the hallways. Acting on instinct, Muttley leaps into action, barking loudly to wake the family before disaster strikes. Join the Petersons as they discover that you should never judge a dog by its cover in this thrilling tale of bravery and unexpected friendship.