"Sam Hunter, a highly skilled operative for an elite private security firm called Byzantium, ... narrowly survives an attempt on her life that may have been orchestrated by members of her own team. Once Sam returns to work a year later (having told nobody her whereabouts), she must perform her secretive duties without knowing who to trust--and who might want her dead. While continuing her search for the truth--an effort that sheds light on her tragic past --Sam is ordered to infiltrate a wealthy, high-profile family by posing as a good Samaritan, which leads her into a mystery more vast, complex and dangerous than any she could have imagined"--Container.