In 1940s England, thirteen year old Tolly is sent to Green Knowe, the country estate of his grandmother, while his mother searches for any information concerning his missing-in-action father. Tolly soon finds that he can pass through time to witness the family stories Grandmother Oldknow tells him. Traveling back to 1805, Tolly becomes caught up in the family scandals, secrets, and mysteries that still echo in his own time...