With the air supply failing on the Destiny, a team disembarks to a desert-like planet in search of the mineral needed to scrub the ship’s air of carbon dioxide. After testing numerous sand samples without success, and with their window of opportunity closing fast, the group opts to split into two to cover more ground, despite the unbearable heat. While one team presses on to find the treasured mineral, the other has another goal in mind. When it is apparent that Dr. Rush can’t go on, Lt. Sco...