Drake, a retired police detective, receives a call in the dead of night from an alien-obsessed podcaster. He hastily departs for Montana the following morning. The phenomenon continues all over the globe. What are they? What do they mean? Britt is on assignment for a digital magazine when she encounters one of the Glass in a tragic boating accident, leaving her no choice but to follow the lead. Panic ensues as mysterious creatures are sighted.

A mysterious convergence of natural disasters threatens to destroy life as we know it, and people across the United States are going missing. With no one left to investigate, Special Agent Kendra Baker takes the case, trying to solve the disappearances before she’s out of time. Among those abducted is Valeria Miller, the daughter of ex-Marine Corporal Andrew Miller, and he’ll stop at nothing to find her. With the help of an unstable conspiracy theorist, they find themselves on the trail of a reclusive billionaire who just might have all the answers.

Alec works in the Detroit Overseer-factories, building a mysterious alien device. When three strangers appear, he's provided an opportunity to escape after years of servitude. Cole, a Freeborn loner, encounters Lina after her village is destroyed by the alien Occupation. Together, they make the arduous journey to a fabled safe-zone, trying to stay one step ahead of the enemy drones on their trail. Dex is a Hunter, working for the Occupation to track down escaped factory slaves, or Roamers, at all costs. But his latest hunt uncovers a massive secret.

Years after defeating aliens bent on burning down the galaxy, the Interstellar Union is breaking apart, its member species undermining each other at every opportunity. When an interdimensional distress signal arrives, only humanity is interested in helping. Captain Vin Husher is given command of the UHS Relentless, and sent in as part of a carrier strike group...right into a trap laid by humanity’s old enemy. Surrounded by a bioengineered super-species and unable to return home, Husher must draw on decades of experience just to keep his people alive.

They won't settle for mere victory. They want to exterminate us. Every last one of us. A surprise attack has sent the Star Alliance fleeing for its life. A remnant of a remnant, their meager fleet—all that remains alive—flees to what seems like a safe harbor: a forgotten backwater planet called Earth. Join ace fighter pilot Chase as he teams up with the modern-day militaries of Earth and fights the last battle for the universe.