Dr. Ryan Stone, a splendid medicinal architect on her first Shuttle mission, with veteran space explorer Matt Kowalsky in direction of his last trip before resigning. In any case, on an apparently normal spacewalk, calamity strikes. The Shuttle is pulverized, disregarding Stone and Kowalsky totally fastened to only one another and spiraling out into the darkness of the room. The stunning quiet discloses to them they have lost any connection to Earth and any shot for salvage. As dread goes to freeze, each swallow of air destroys what little oxygen is left. In any case, the main way home might be to go farther into the unnerving breadth of the room.