1994: Texas Ranger Jim Strong investigates a mass murder on a dusty freight train linked to a mysterious, missing cargo for which no record exists. The Present: His daughter, fifth-generation Texas Ranger Caitlin Strong, finds herself on the trail of that same cargo when skeletal remains are found near an excavation site in the Texas desert. She's also dealing with the aftermath of a massacre that claimed the lives of all the workers at a private...

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...

The drug crisis hits home for fifth generation Texas Ranger Caitlin Strong when the son of her outlaw lover Cort Wesley Masters nearly dies from an opioid overdose. On top of that, she's dealing with the inexplicable tragedy of a small Texas town where all the residents died in a single night. When Caitlin realizes that these two pursuits are intrinsically connected, she finds herself following a trail that will take her to the truth behind the crisis...

Texas Ranger, Caitlin Strong fights a new enemy, an ISIS group who is interested in a devastating weapon on Texas soil. The oil drilling on an Indian reservation is steeped in mystery and controversy and a secret from the past may trigger an Armageddon from the canyonlands. The terrorist organization ISIS is after a deadly toxin that could be the ultimate weapon of mass destruction. There is a race for the toxin because it also holds the potential...

A Mexican girl on the run from human traffickers brings fifth-generation Texas Ranger Caitlin Strong to the sleepy border town where her legendary grandfather once worked, a region that hides a deadly weapon with a potential to give a new enemy the means to terrorize the United States

"The nation's first female vice president is dead. The public, including international investigator Robert Brixton, believes it was natural causes, complications related to a long-hidden heart condition. Kendra Rendine, head of Vice President Stephanie Davenport's Secret Service security detail, covertly approaches Brixton to look deeper into Davenport's death. Brixton discovers that a rumored affair between Vice President Davenport and President...

Navy SEAL Max Younger finds himself involved with a sinister plot to release a deadly disease of epic proportions and must rely on his ex-girlfriend, a brilliant infectious disease expert, to help save the world.