The Mate of a King

Four years ago Cassia left behind all she knew in North America to move to Europe with her parents at the request of the Alpha King. It is now time that she returns home and try to pick up where she left off. However, home is not what it used to be.
With a new king leading the North American packs things are not what they used to be. Cassia's life is further flipped upside down when her mate, the new king, comes into the picture.
How do you love a stubborn king? Especially one who isn't too interested in the idea of mates.
When Cassia'a past comes back to haunt her will he be there to protect her?