"You are not ready to know everything I know." Arkady had told him. It was the truth, but what would happen when Callen finds out what Arkady was keeping from him.

An email sends NCIS covert agent, G. Callen into turmoil, bringing up secrets from the past. Is he really ready for answers or is it just ploy to throw him off his game? Katherine Blackwood is a master of disguises, hiding in plain sight until sentiment forces her to open secrets she's hidden away for nearly over a decade. When Callen and Blackwood's world's collide, they realize how much in a grey world they live. With enemies from her past gunning her down, these two unearth an unlikely secret. (#1 Blackwood trilogy)