Berry the Fruit Fairy is distracted from her Heart Day duties when she sees a snazzy new dress on a fellow fairy. She's supposed to be making candies for Princess Lolli's celebration, but all she wants to do is make a new dress. She picks some wild candy hearts that she finds growing and tries to use those, but they turn out to be sour! Now, with the help of her friends, she must venture to the Sour Orchard to undo the yucky magic and try to set Heart Day right.