The Apple Orchard by Susan Wiggs
Tess makes a living by returning stolen treasures to their rightful owners. Her own history is filled with gaps, until a mystery man appears on her doorstep informing her she is to inherit an estate in the magical town of Archangel and has a half-sister she’s never heard of before. Now Tess must unravel the mystery that can hold her family together or rip it apart.