Former Texas Ranger Arlo Baines didn't come to the tiny West Texas town of Piedra Springs to cause trouble. After his wife and children were murdered, Arlo just wants to be left alone. Moving from place to place seems to be the only thing that eases the pain of his family's violent end. But a chance encounter outside a bar forces him to rescue a terrified woman and her children from mysterious attackers.

Private military contractors. They’re not just for foreign wars anymore. Jon Cantrell, a disgraced ex-cop, works for one such company. He’s a DEA agent paid on a commission basis, patrolling one of the busiest drug-hubs in the country: Dallas, Texas.When Cantrell confiscates the wrong shipment of drugs, he finds himself in possession of a star witness in a cartel trial that could destroy the largest criminal organization in the hemisphere.To turn a profit, all he has to do is deliver the witness to the US Attorney in a tiny town called Marfa on the other side of the state.

Tom Walker arrives in his hometown, and in less than an hour, the clandestine government program he works for tries to kill him. Not much of a welcome. To make matters worse, the farm where he seeks refuge has–unbeknownst to the owner, Leila–an underground drug ring operating on property. And despite this newfound danger, Leila risks her own life just to nurse Walker back to health.

Zimbabwe, 1981. An airliner crashes killing nearly everyone on board. Among a handful of survivors, former Special Branch officer Max Seager quickly realises that it was no accident—and that no one can be left alive. But as the army patrol dispatched to complete the massacre soon learns to its cost, Max was no ordinary policeman.

A deadly explosion rocks the nation’s capital... Three seemingly unconnected people—a British ex-Special Forces operative, an ex-Navy Seal, and a teenage girl—find themselves under suspicion for the attack. Soon, they’re in the middle of a conspiracy that threatens to unsettle the entire United States. If they have any hope to survive the dangerous situation they’ve found themselves in, these strangers must learn to rely on each other, all while the question remains: Did one of them cause the explosion?