The restoration of the Lunar Observatory Colony marks a landmark technological advancement for mankind. Plato, Abbot, and Tycho are all present to showcase the new colony to the new generation of aspiring astronauts.

However, opponents of space exploration remain. The terrorist group TLON has infiltrated one of its agents into the large crowd gathered at the colony with an explosive device. As the clock ticks, the astronaut trio must save their beloved settlement that was built on the sacrifices of those who loved space.