Stephanie Patrick is devastated after her whole family dies in a plane crash. But when she discovers that the downing of flight NE027 wasn't an accident but an act of terrorism, Stephanie enters the fight of her life to achieve her one goal: revenge. When she's recruited by a covert intelligence organization, Stephanie sees a means to an end. Now, with nothing and no one left to lose, Stephanie undergoes rigorous training to become "Petra," a mercenary terrorist based out of Germany, and "Marina," an international businesswoman based in London. Her immersion into the world of international espionage teaches Stephanie how to numb her feelings and act on instinct alone. But as her missions become more brutal, and the stakes grow ever higher, she begins to question everything she knows about flight NEO027. Is her organization telling her the truth about what really happened? Is avenging her family worth the risk of her own life? And if it isn't, will those who created her ever let her go?