Spring brings Felicity's tenth birthday, and a visit from her Grandfather. He arrives with a precious gift for Felicity—a guitar that belonged to her Grandmother. Felicity is so enchanted with the guitar that she disobeys her Mother by taking it out of the house to show her friend Elizabeth and Elizabeth's sister, Annabelle. Her parents and Grandfather are angry when they learn what she's done. They refuse to believe a message Felicity has overheard that means danger for the colonists. Felicity risks more of her parents' anger when she decides she must alert the colonists herself!