Caitlin Strong is a fifth-generation Texas Ranger, proud to wear the badge of her father and grandfather - until a deadly shoot-out along the Mexican border causes her to question her calling. Five years later, Caitlin is still trying to purge herself of guilt from the day that ended her Ranger career. But a shattering discovery will reopen old wounds, and Caitlin's renewed investigation into the truth behind the bloody desert firefight uncovers a...

1818: In the Gulf waters off the Texas coast, the pirate Jean Lefitte and his partner Jim Bowie launch an attack on the Mother Mary, a slave ship carrying an invaluable treasure. The Present: Fifth-generation Texas Ranger Caitlin Strong finds herself investigating the murder of the oil-rig crew that had found the long-lost wreckage of the Mother Mary. The crew also uncovered something else beneath the surface of the sea--something connected to a terrorist...

"2002: A military transport on a secret run to dispose of its deadly contents vanishes without a trace. The present: A mass shooting on the steps of the Capitol nearly claims the life of Robert Brixton's grandson. No stranger to high-stakes investigations, Brixton embarks on a trail to uncover the motive behind the shooting. On the way he finds himself probing the attempted murder of the daughter his best friend, who works at the Washington offices...

"A new enemy has surfaced in Eastern Europe in the form of an all-powerful organization called Black Scorpion. Once a victim of human trafficking himself, the shadowy group's crazed leader, Vladimir Dracu, has become the mastermind behind the scourge's infestation on a global scale. And now he's set his sights on Michael Tiranno for reasons birthed in a painful secret past that have scarred both men. [...] Black Scorpion has also taken the woman Michael...