Genevieve Grimm has felt adrift since her sister became family head. When a mysterious acquaintance invites her to Italy, she accepts, expecting luxury and magic. Instead, the owner's son, Rowin Silver, tall, dark, and exceptionally rude, demands she leave immediately. But Genevieve enters the palace and discovers her critical mistake. Rowin and his family are ensnared in a deadly hide-and-seek game where only one survives. Since paired lovers may compete together, they arrange a fake courtship alliance. Racing through the game's elaborate labyrinth, their animosity transforms into irresistible attraction.