Dr. Ryan Stone, a wonderful clinical engineer on her first Shuttle project, with veteran astronaut Matt Kowalsky answerable for his remaining flight before retiring. But on a apparently recurring spacewalk, disaster moves. The Shuttle is destroyed, leaving Stone and Kowalsky completely by myself-tethered to not anything however every different and spiraling out into the blackness of space. The deafening silence tells them they've misplaced any hyperlink to Earth and any risk for rescue. As worry turns to panic, every gulp of air eats away at what little oxygen is left. But the most effective manner home can be to go similarly out into the terrifying expanse of area.