A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world. A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world. A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world. A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world.