Stephanie Patrick is devastated after her 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...