Primal Obsession by D.M. Mortier

Justin Ragnarson was a happily married man, at least he thought he was until his wife betrayed everything that they’d built together. He was a soldier, trained to endure pain, but he’d never thought that the pain he’d endure would be in his own home or from the woman who was supposed to love him. Cynical and disillusioned about love and happily ever after, he shouldn’t have been so easily brought to his knees by a brown beauty that he had no right to desire. He didn’t need the added complication of wanting a woman he’d never be free to love. He fought like hell to not act when every male instinct in him called to her. The Ragnarson men were men of honor, and marriage was a lifetime commitment. He was determined to adhere to his family tradition, honor his vows even if his wife hadn’t. However, his resolve was tested time and again. And then his brown beauty was viciously attacked. There wasn’t a chance in hell he could ignore that.
Nakia McKenzie had a secret crush on one of the partners of the law firm where she worked. She’d been crushing on him for years and knew that it would go nowhere, especially since both of them were married. Besides, he didn’t know she existed—until she accidently collided with him in an airport. Meeting him up close and personal made the feelings only stronger. This was no simple crush. However, she had to deny it for both their sakes.