Feral Sins by Suzanne Wright

Alpha wolf-shifter female named Taryn and a very Alpha wolf-shifter male named Trey. Taryn is a latent wolf with a huge attitude and Trey is a wolf with a very dangerous reputation. When Trey has Taryn kidnapped all hell breaks loose

This book contains obscene and aberrant sexual activities including sadomasochistic behavior; explicit sexual nudity; graphic violence; and frequent profanity.