When Liza and Jeremy run to their mother during a scary storm, she comforts them by telling them about the Invisible String, which connects people who love each other no matter where they are and means that they are never alone.
On a cold, dark night perfect for scaring, Fran is making a valentine, causing other members of Fright Club to howl and hiss over the idea of being in love.
When a maiden reluctantly attends a ball for her friend, the prince, everyone considers her his perfect match until she surprises them--and herself--by finding true love with someone else.
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.