Power Play (Book 5 in the Cursed by Blood Saga)

Tough as nails, Mitch Paris trained with the best, earning a place as second-in-command to the Alpha of the Brethren. Rissa Leighton survived sickness and an unhappy marriage until the fates brought the two of them together. Never one to give up a fight, it's now Mitch's turn to take the lead as alpha of his own pack, but after a ten year absence he returns home with Rissa to the Canadian Northwest Territories to find more than just the landscape has changed. A Blood Challenge has been issued, and not only must he prove his worth but past intrigues raise questions about his future, his new family and a murder that could change the course of their life and love...