Timid but tough Sophia Chambers has finally found the perfect job for her strange ability. As a private detective's assistant, she trails and photographs people with ease, because she can make herself unseen. But when she stumbles into the arms of Dominic Berrett, she finds she no longer wants to hide. Though Dominic's stunning looks could easily make him a model, he's the farthest thing from it. As a warlock and captain in the Magus Corps, he's been deployed to bring Sophia into a witchcraft fold that she doesn't even know exists. Despite his five-hundred years as an immortal, he discovers something unexpectedly captivating in the beautiful but shy young woman. But when her deadly past catches up to her and an ancient enemy of witchcraft emerges, Sophia and Dominic's intense feelings for each other surface in ways that neither could have foreseen. As passion explodes and desires are unleashed, each will make choices from which there is no return.