On Christmas Eve, snow falls heavily. Carols drift through the air, and every household is immersed in festive joy. Yet not everyone is so fortunate—a person bundled up tightly trudges through the snow, arriving at the window of a home. This is the house of Mickey (voiced by Walt Disney) and Minnie (voiced by Marcellite Garner). Minnie happily sings "Silent Night," while Mickey decorates the Christmas tree beside her, and Pluto sleeps nearby. The person outside places a basket at the door, rings the bell, and quickly leaves. 　　 Mickey opens the door to find a hungry little kitten in the basket. Just as he and Minnie are surprised by this sudden little orphan, who would have thought that dozens more kittens are hidden in the basket? They turn Mickey’s home upside down, and a joyful Christmas night gathering begins...