A shy girl with no family, Maria has landed in the sewing room of the royal household. Soon she catches the eye of the Prince of Wales. But her life takes a darker turn, and soon all she has left is a fantastical story about her time in the palace. Decades later, Caroline discovers a beautiful quilt in her mother's attic with a mysterious message embroidered into its lining. She embarks on a quest to reveal its mystery, a puzzle that only seems to grow more important to her own heart.