Kit and Talal's soulmate bond - and their relationship - is stronger than ever. It needs to be. Sudharain is beset by enemies on all sides. Neighbouring Gabalnu has betrayed them under cover of friendship, leaving Talal heir to a shaken nation. He needs to secure his rule - and his allies - fast if he's to ensure Sudharain survives. Kit has had enough of his home country trying to destroy him and his soulmate. Unfortunately, Lindumia is determined to wreck Sudharain. The sultanate is still reeling from Gabalnu's attacks when Lindumia strikes again. Kit's determined to stand tall and provide the support Talal can't allow anyone else to know he needs. But as innocents are drawn into turbulent and dangerous events, it becomes harder and harder to protect those he cares about most. As threats multiply and dangers lurk in the most unlikely of places, Kit and Talal must face treacherous foes and make untold sacrifices for the sake of their country - and their love. Fourth volume in the series that began with Assassin, join our heroes as they face Sudharain's darkest hour. In Heir, friendships old and new are tested to their limits while Kit and Talal face dangers and deceit from near and far.