In loving her, he breaks laws that have existed for millennia. In loving him, she overcomes her pain, but to discover his true identity would shred the reality she thought she knew. He is Barakiel. Warrior. Exile. Hopeless romantic. Barakiel is Covalent, a race of ancient beings who use their great power to keep the elemental forces of Creation and Destruction in Balance. The Covalent Council exiled Barakiel to the Earthly Realm as the price of the treachery of his father, Lucifer, who wages perpetual war against it. Lucifer also relentlessly pursues his son. The Council thinks Lucifer views his son's power as a threat, but Barakiel knows his father seeks to destroy even the memory of love. She is Alexandra "Zan" O'Gara. FBI Agent. Army veteran. Recovering drunk. Zan's troubled past left her with little interest in men, but she had never encountered anyone like the stunning Rainer Barakiel. Zan believes Rainer is a wealthy businessman with expertise in edged weapons who can help her with a case. From the moment she meets him she wants him more than she's ever wanted anything, but her intense attraction is as frightening as it is thrilling. This is their love story. As Zan's deepening feelings for Rainer lead her to confront her emotional damage, he struggles to meet the demands of his home world so he will be free to love her, and to reveal his true nature. Through the gruesome crime that first brought Zan to his door, Barakiel learns that his presence in the Earthly Realm has placed some of its most vulnerable citizens in danger. Compelled to protect them, he undertakes a series of duties he may not survive, even as Zan rescues him from centuries of a deadened heart.