Little Red has baked a cake with their father, and is on the way to Grandma's house to make a delivery. But someone has been trailing them ever since they left home . . . someone who really loves cake.

It can be lonely sometimes on a rainy day in a big house with no one else around and there's only the quiet to keep you company. But if you find a key, a mysterious key, that leads you to an unexpected place . . . chances are your afternoon is about to get a lot more interesting.