Dr. Ryan Stone, an excellent medical engineer on her first Shuttle mission, with veteran astronaut Matt Kowalsky in charge of his final flight earlier than retiring. However on a seemingly routine spacewalk, catastrophe strikes. The Shuttle is destroyed, leaving Stone and Kowalsky utterly alone-tethered to nothing however one another and spiraling out into the blackness of area. The deafening silence tells them they’ve misplaced any hyperlink to Earth and any probability for rescue. As worry turns to panic, each gulp of air eats away at what little oxygen is left. However the one means house could also be to go additional out into the terrifying expanse of area.