Cianan and Samantha Jones move to a new home with their family and run into their old best friend and hero, the dog Ferral! Suddenly, a little cute puppy approaches them! Apparently he is running away from a neglectful home life, and the group decides they have to help him.. Along with their cousin Josie, they all team up to find KoKo a new home! But in the interim, Ferral finds more strays and hides them all in an old abandoned building. Pretty soon he suggests opening up a pet shop for his rescues with the kids helping take care of the animals and finding them homes! Problems soon arise, not the least being that their parents don't know anything about the pet shop! And who's running this place, anyway?? Their old friends, the mice and rats are involved, too. As problems get worse - will the shop have to close? See who saves the day!