The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes impact the Pathfinder mission plan.

A devastating flaw during a mission forces Philip, Elizabeth, William and Gabriel to confront the depths of their patriotism… and their mortality. In Russia, in striving to be a better…

Paige copes with new burdens that come with her family’s secret as Philip and Elizabeth struggle to contain their cover without destroying their daughter.