Remy and the team investigate the homicides of two Army veterans in a murder spree connected to their time in Afghanistan. Also, Hana receives surprising news about her birth mother.
Tensions between the U.S. and the Soviet Union reach an all-time high on the moon, throwing multiple missions into jeopardy. Season finale.
The rivalry between American astronauts and Soviet cosmonauts intensifies as last-minute changes impact the Pathfinder mission plan.
