On an island inhabited solely by cats, expert hunter Tom Plug hires himself out as provider of food to the aristocratic, but very hungry, Bampton-Bush family.
Three mice brothers, ignoring the class system separating the four clans of rodents in their farmhouse, befriend a lower-class mouse and form a team to fight cats.
When Mrs. Buzzard wants to get rid of the big, ugly dog that creates a lot of trouble, Farmer Buzzard decides on a plan to save this lovable monster from banishment.
When a mysterious bird arrives in Godhanger Wood to protect the frightened animals from the cruel gamekeeper, this Christ-figure deliberately sacrifices himself to save them from death.