Princesses Amber, Clio, and Hildegard have no idea what to write in their diaries. Then they notice that Sofia has been acting differently, and they sense that she's in love. When Sofia isn't looking, the three princesses read in her diary that she has a crush on Prince Hugo and she'll be dancing at the upcoming springtime ball with him. Jealous of her sister's crush, Amber decides to come between them. She tries to make Hugo jealous by flirting with Prince Desmond, and she tries to make Sofia jealous by flirting with Hugo. But this only intimidates Desmond and rattles Hugo's nerves