Wintersfall

A Gen-Heir to her assassin father's legacy, Katria Nachemir will do almost anything to find the person responsible for murdering her mother and sister. Even become an assassin herself. In exchange for a deeper investigation into their deaths, she agrees to be a member of an Intel Guardian team, despite knowing the path is the last one her father would wish her to take.
Generations of dark family history have left Sean Blackbain, Primary Guardian Wintersfall, with limited choices. Either remain in Sziveria to face the whispers, or become the leader of a team and disappear.
Three years later, a botched assignment sends the team home, and a shocking detail is revealed concerning Sean and Katria's government contracts. They're married. With Sean's tainted past, and Katria's carefully guarded family secret, neither are prepared for marriage.
Exploring the murders of Katria's family proves to be dangerous, and Sean realizes he'll do anything to keep his wife safe. As they work together to discover the intricate lengths an unknown enemy has gone to keep the truth hidden, the passion they denied for so long begins to boil over. The bonds of their relationship are tested as the professional lines engrained between them blur.