Retaliation (Nirvana Trilogy #3)
Anise Storm

Stung by a woman's alleged betrayal, Finley Wetherall and Thaddeus Remington are determined to destroy one another until they discover Hannah has put herself in grave danger. Now the two Dominants are in a race against time to determine whether they can actually put their own differences aside long enough to save Hannah. When she's rescued, will either man be able to walk away from her again? And if not, will she be able to choose one over the other?