Logline: NASA astronauts Ryan Stone and Matt Kowalski are busy repairing the Hubble telescope in orbit, when they receive sudden word to abandon the mission and reboard their ship due to a a satellite avalanche plummeting in their direction at breakneck speed. In the race to get back into their shuttle and back to earth before the tidal wave of space junk reaches their ship, they lose all communications, and power, as they drift aimlessly through the darkness of space, searching for a way back home.