As Lilly toils in her father's apothecary shop, preparing herbs and remedies by rote, she is haunted by memories of her mother's disappearance. Villagers whisper the tale, but her father refuses to discuss it. All the while, she dreams of the world beyond of travel and adventure and romance. When a relative offers to host her in London, Lilly discovers the pleasures and pitfalls of fashionable society and suitors, as well as clues about her mother. But will Lilly find what she is searching for the truth of the past and a love for the future?