Total Surrender by Rebecca Zanetti
TOTAL SURRENDER is the fourth and last book in Rebecca Zanetti's dark and sexy series a secret black-ops military unit, about a band of brothers who were genetically engineered by the government to be ruthless soldiers with an expiration date. They were loyal only to one another.
This book features the fourth brother, Jory, who until Book 3: Blind Faith the brothers all thought to have been shot and killed. When Jory is finally reunited with his brothers, it's not the heartwarming reunion they'd all been hoping for. Struggling to find his place again, Jory soon finds solace in the warm embrace of computer genius Piper Oliver. He may be alive, but it starts to become clear that the secrets of Jory's time away could cost him, and the woman who's stolen his heart, their future. Jorymust find a way to protect the only woman he's ever loved from his deadly past.