It is 2050, Earth is dying and colonising Mars is the only alternative to obliteration. Kate Bowman is the commander of the mission that is the last hope of saving the human race. But what happens when the landing crew get to Mars is far more life threatening that anyone could have imagined: A crash landing leaves them stranded without scientific, communication or escape equipment. All contact with Houston has been lost. As the landing team explore the harsh new planet, desperately seeking a way out they make the most terrifying discovery of all.