Poppy the deer mouse urges her family to move next to a field of corn big enough to feed them all forever, but Mr. Ocax, a terrifying owl, has other ideas.
When their home next to a brook is destroyed by beavers, a large family of golden mice is aided by Poppy the deer mouse and her grumpy porcupine friend, who in the process forges a relationship with the son he had abandoned.
Feeling neglected on his birthday, Ereth, the cantankerous old porcupine, sets out looking for his favorite treat and instead finds himself acting as "mother" to three young fox kits.
Poppy, accompanied by her troublesome son Junior, his skunk friend, and Uncle Ereth the porcupine, responds to a summons to return to her ancestral home, Gray House, to save the mice there from destruction by a bulldozer.
While helping a young raccoon reunite with his mother, adventurous mouse Ragweed ends up in Dimwood Forest, where he meets and rescues a deer mouse named Poppy.
