Astronaut Lee Rifkin's life is about to change. NASA has done the math. The space object named Cassandra 22007 is not behaving as expected. He will lead a team on a cutting-edge ship to get a closer look. But another group wants to get there first. Who is this shadow organization that seems to be one step ahead of them? Agent Jenna Haynes works to put together the pieces that will pull the veil off those who seem to have known about Cassandra's arrival since long before NASA spotted it. What is their goal?

Ruthless drug kingpin El Gato, known for his iron fist, is enraged as a megalodon engulfs his prized submarine, swallowing $20 million worth of cocaine and methamphetamines in the process. Fueled by vengeance, El Gato hunts down once-famous but now washed-up TV fisherman Chris Newman and the brilliant paleo-ichthyologist "Abbie" Marnoch at vacation destination Persuasion Island, and makes them an offer they can’t refuse:

Scientist Beth Darlow has discovered the unimaginable. She's built a machine that allows human consciousness to travel through time—to any point in the traveler's lifetime—and relive moments of their life. An impossible breakthrough, but it's not perfect: the traveler has no way to interact with the past. They can only observe. After Beth's husband, the co-creator of the machine, dies in a tragic car accident, Beth is left to raise daughter—and continue the work they started. Mired in grief and threatened by her CEO, Beth pushes herself to the limit to prove the value of her technology.

Oliver Matthews starts to believe he is living in a simulation. When he awakens in a pristine, futuristic facility, he learns from Holly, the facility's AI, that he’s been preserved for over a thousand years, living in a simulation, and that the world he once knew is long gone. But as Holly guides him through the new reality, the details don’t quite add up. As he delves deeper, Oliver begins to question what’s real, what’s simulated, and who he can trust.

As World War III rages, the scientists in Antarctica are thankful for the isolation—until a group of Chinese scientists arrive at the American research base. In their truck is a dead body, the first murder in Antarctica. The potential for a geopolitical firestorm is great, and, with no clear jurisdiction, the Americans don’t know what to do. But they soon realize the Chinese scientists have brought far more with them than the body…