Jax is a bassett hound that loves to sniff things. He forgets about things when he's sniffing. One day he wanders off from home and before he knows it, it's dark and he's lost. But Jax has a hard time finding home again, and when he does, there is no home. Where did it go, where did his master's go? Now Jax is on his own and lost in the city. Then he meets a friend.