When his parents go out hunting, Johnny Lion stays home and experiences exciting adventures reading a book about a baby lion who goes out into the world and gets lost.

The cat tries to entice the mouse out of his house, and later when he does come out, chases him, but cannot follow him back into his house.

The animals hear of the birth of the Christ Child and come to visit Him.

The old carpenter makes Windy a willow whistle that calls his dog, talks to birds, startles the river frogs, and sounds like the wind.