In a world of stolen art, and concealed secrets. It's the shadows that hold the missing key.Claire and Christian are alarmed when Inspector Harriet Middlemarch from Interpol arrives at Claire's office at the MET, asking questions about the mysterious theft of priceless paintings at her country home in Toulouse, France. With no word from her mother and growing concerns for her safety, Claire's anxiety escalates. When her mother resurfaces, she tells the story of a lurking and menacing stranger about the country home and the subsequent burglary of their paintings in the attic. But the coveted painting the thieves were looking for was hidden away and never found. This prompts her mother to send it to Claire for safekeeping. But soon after her mother's return to New York, her gallery is broken into, and the enigmatic painting begins to unravel secrets that will turn the investigation on its head. With startling revelations challenging their family's history, Claire and Christian must confront a future forever altered and the danger that it reveals.