Felicity loves summertime on Grand father's plantation. She can be outside all day--riding horses, playing with Nan and William, and exploring the woods. One day Felicity finds a secret note. It is from Ben, her father's apprentice, and it asks for her help. Ben has broken his apprenticeship agreement and is running away to join George Washington's army. Felicity begins a dangerous adventure when she goes to help Ben. She must use all her strength, courage, and wisdom to try to save the day.