It's the day before Halloween, and Mouse is very excited. His mama has agreed to let him have a Halloween party. Mouse is sure it will be the best Halloween party in the world. Mouse goes from house to house inviting his friends: Hedgehog, Squirrel, Bunny, Mole, and Pig. All of Mouse's friends are happy to come to the party --all except Pig. When Mouse tells Pig about his party, she begins to cry. Pig had planed to have a party of her own. Whatever will Mouse do to make Pig happy again?