When Jenna Walters uncovers proof the father of her young son is an international assassin, she has just minutes to gather the boy and run. But Jenna has nowhere to hide. No one to trust. Until she meets Zach. Of the six Montgomery brothers, Zach has always been the renegade. He leads a double life as a CIA operative with a dark and haunting secret. When a mission to eliminate a terrorist goes horribly wrong, Zach's cover is blown...