As Thorne kidnaps Olivia to save his brother's life, he does not realize that his heart has been captured by the exquisitely beautiful princess. The lives of Thorne, Olivia, and the Dark Horse, the centuries old angel of the Apocalypse, and the Prince of Tyrol, Olivia's father, will become ensnared in an intricate web of romance, ambition, and suspense. Thorne must stop the Dark Horse from killing for coin, stay out of the hands of Olivia's father who wants to kill Thorne for Olivia's death and steal the riches of Thorne's duchy, and guard his heart from the woman that wants to escape him. Olivia becomes a pawn of Thorne, he has her guarded by day and huants her dreams at night. She is tasked with keeping Thorne's family and castle safe, but when an old flame of Thorne's shows up at the castle to reclaim Thorne and his coin, will Olivia be able to save herself? In the Habsburg Empire of the early 1750's there are enemies within as well as without, and their lives are controlled by the rules of society, the church, and superstitions that never fade away.