An urgent plea for protection brings Richard Mackenzie home from Afghanistan on special leave. But when his mission to protect his brother and brother's family goes horribly wrong, he finds himself on the run with his 6-year-old niece and more questions than answers.And the one person who may be able to help him, a sister-in-law he's never met, poses a whole other kind of danger.Nina Tauredaux has come back to DC to make peace with her sister who stole her fiancé years before, only to face a horrifying scene of carnage. And when her soldier brother-in-law shows up with Nina's niece and a tale of conspiracy and danger, it's go with him or lose the last of her family forever.Now the trio is trying to stay alive as they look for answers in the one place to which Richard swore he'd never return.