Liz Crawford steps off the plane, home after six years in the space program and two in a Texas prison. She expects to be met by her sister, Sara, and to share her apartment, temporarily. Instead, she discovers Sara and two of her friends have vanished. The police are slow with answers, and Liz takes up the search, following the meandering trail of her sister’s life. Along the way, she bends the law, risks her freedom and her life, and learns just what she is capable of in the most extreme circumstances.

Gunfire erupts as recently hired engineer Liz Crawford leaves work. She is hit by a bullet and the young woman behind her is killed. The police quickly arrest the woman’s husband, but Liz worries they have it wrong. She meets with the accused killer and checks his story. Soon after, she thwarts a second attack. Someone is trying to kill her—but who and why? All she knows is that to survive, she must find those answers before her luck runs out. But as she claws her way toward the truth and the killer, she also confronts the realization that her well intentioned actions have had horrendous consequences.

Liz Crawford stops to help a woman along a west Texas highway and witnesses a murder. She flees with the woman in tow only to lose her and become entangled in a string of killings. Facing a detective eager to tag her with the mounting carnage, Liz sets out to find the missing woman, collect a reward, and prevent a return trip to prison. But to complete her mission, Liz must first outrun her past and survive the calculated plans of hardened men who intend her no mercy.