Little Annie has only one best friend in the world and that is her Grandma Ginny. Spending every weekend at her house, the two best friends have a big slumber party all weekend long. They play, do some gardening, cook, bake, do homework, and have some amazing hot chocolate with marshmallows. Hot chocolate with marshmallows is their specialty and favorite drink ever! To make it, they don't even need to open Grandma Ginny's very special, secret recipe book. They know it by heart! After a childhood marked by hot chocolate with marshmallows, Annie is determined to make her mark on the world with the same, legendary recipe for Hot Chocolate and Marshmallows.