From Bad to Worse by April Kelley

Wesley is between a rock and a hard place. His savior is a wolf shifter who gives him panic attacks.
Wesley is always scared. He never thought of himself as naïve, but he realizes he is when the senator he used to work for turns on him. When a wolf shifter, who claims to be his fated mate, comes to his rescue, Wesley knows he’s in even more danger. Paranormals are the enemy, after all.
Sully’s mate is the enemy. He’s sure of it before he even meets him. His assignment is to protect Wesley with his life, but he can’t protect him from a past that comes back to haunt him.
Wesley has to leave his fears and prejudices aside if he wants to escape danger. Can Sully save his life in time for him to embrace love?