In the shadow of the cosmos, an unstoppable alien fleet advances, leaving a trail of conquered worlds in its wake. The Xortaag armada, an epitome of galactic might, now sets its sights on Earth. Yet hope flickers in the most unlikely of heroes: a maverick starfighter pilot with a penchant for movie quotes, a daredevil stuntwoman, a lethal super-assassin, and a cosmic spymaster. Their mission: to shield not just humanity, but billions of other intelligent lifeforms spanning the multiverse.

In the desolate Rocky Mountains, survivalist Emily Thatcher's solitary world is chaotic when an EMP attack cripples the nation. As society unravels, an enigmatic stranger named Jackson Hunter stumbles into her haven, harboring uncanny knowledge of her past and igniting an undercurrent of mistrust and dark secrets. With time running out and danger escalating, Emily must discern whether Jackson is an ally in this new, perilous world or a harbinger of betrayal amidst humanity's darkest hour.

When an EMP shrouds the US in darkness, twins Mindy and Nick are miles from their Michigan haven. Battling chaos and menacing foes, they trek homeward. Mindy’s fierce leadership guards their legacy, but as winter and threats intensify, their survival instincts face the ultimate test.

Rob Walker has served in countless operations in combat zones across the globe. Now, his mission is personal. After returning home from a combat deployment to Afghanistan, US Army Special Forces sniper Rob Walker is in a race for time to rescue his kidnapped sister from the clutches of a Mexican drug cartel. Having seen too much during a botched drug deal, she is snatched up off the street and handed over to members of a Mexican cartel who are after their payday. Suspecting her of being sold into sex slavery to satisfy the unpaid debt, Rob must act before it’s too late.

Michelle Reagan - code name Eden - is the CIA Special Activities Division's newest covert action operator, an assassin, who struggles between wanting to succeed in her new profession for herself and her charismatic boss, and the moral quandaries of what she must do to innocent people who are simply in the wrong place at the wrong time. Although she faces seemingly intractable decisions as she executes her missions across the globe, the adversary most difficult to overcome may very well be her own conscience.

Jack "Rattler" Owen is a navy pilot on a combat deployment struggling with life at sea. If dealing with separation from his family, the constant grind of shipboard life, and malfunctions in the E-2C Hawkeye weren't enough, it now seems that someone is out to get him. As he tries to navigate his time on the aircraft carrier, he realizes that things are not adding up in his squadron.

When the only son of a wealthy family goes missing in the heart of Mexico’s Yucatan Peninsula, Alex Schofield is sent in to find him. A highly trained ex-Delta soldier, he’s the best man for the job. There’s only one catch: he has sworn to never kill again.

Caleb Saunders was a killer—codenamed Corsair—working for a shadowy government office. Until one day he vanished in the middle of an assignment. Presumed dead, Caleb Saunders assumed a new role—father. When a random crime steals that away, Corsair is unmasked. Now, he's in hiding again, trying to find a new life. But his enemies know he's alive, and they'll stop at nothing to make sure he dies with all his secrets.

On the first day of school in a New Orleans suburb, terrorists hijack a school bus full of children. Corporal Alex Shepherd, decorated sheriff’s deputy and SWAT sniper, is critically injured trying to stop the attack and save his wife and daughter. Waking from a month-long coma, Shepherd finds his girls are gone and the world has moved on. With no arrests made, his frustration at the system’s failures forces him to take matters into his own hands. His thirst for vengeance takes him from New Orleans to the brutal battlefields of Syria, where he gains fame as a ruthless sniper.

In 1939, a secret airship departed Nazi Germany in the dark of night filled with some of the most influential people of its time. Its cargo: a complement of rich Jewish families carrying their most valuable possessions. One such item among them was as dangerous as it was priceless. The airship never reached its destination. In 2015, Sam Reilly, a marine biologist and wealthy son of shipping mogul James Reilly, discovers a missing clue about the lost airship, and what follows is a violent treasure hunt.