Still moping months after being dumped by her Arizona boyfriend Leo, fifteen-year-old Stargirl, a home-schooled free spirit, writes "the world's longest letter" to Leo, describing her new life in Pennsylvania.
When candy hearts begin appearing on students' desks, Jessie resolves to get to the bottom of the mystery no matter what the cost. Evan, meanwhile, would rather some secrets stay buried -- especially when they pertain to him.
After giving Athena a makeover Aphrodite becomes jealous of her friend, but she focuses on figuring out how to help a mortal win a race against Atalanta, which will result in either their marriage or his death.
Polly's stay with her grandparents in Connecticut becomes an extraordinary experience as she encounters old friends and mysterious strangers and finds herself traveling back in time to play a crucial role in a prehistoric confrontation.