After nemesis Gretel Wolf interrupts her family's train ride and makes off with her father's mailbag, Patty Rabbit ventures into the forest to help retrieve it. There, the Maple Town newcomer meets Bobby Bear for the first time.
Bobby Bear gets involved in a mix-up concerning two packages, one with some silver spoons and another with a bomb. Getting in the way of things are his three mischievous brothers: Kin, Kon and Kan.
As Gretel attempts to get a meal going, he desperately tries to fix the hole at the very bottom of a pot he has stolen from Mr. Lodi Mouse's repair shop.
Patty and Bobby visit a family of beavers and help them with their new swimming pool. But Cynthia, one of the children, is not so willing to participate.
Patty's little brother, Mick, meets the same pirate that his mother Christine has told him of in bedtime stories. But the young rabbits soon learn there is more to his exploits than they thought.
After his mother Natasha accuses him of stealing some candy, Bobby escapes to a nearby lake island with Patty and some other Maple Town youngsters. There, they come across what may have caused the trouble in the first place.