He was gliding on the edge of the abyss. An experiment on micro-organisms in space goes dangerously wrong, as the cells begin infecting the crew with lethal speed. Scientist Emma Watson struggles to contain the outbreak ...He was gliding on the edge of the abyss. An experiment on micro-organisms in space goes dangerously wrong, as the cells begin infecting the crew with lethal speed. Scientist Emma Watson struggles to contain the outbreak within the station's confines while her husband and NASA work desperately to bring her home. It is a race against time to rescue her before the deadly microbe claims its final victim.