With his ship crippled by a violent flurry of meteorites, veteran pilot Mills crash-lands on an uncharted celestial body. As the sole survivor of a long-range, two-year exploratory mission, Mills must summon every last ounce of courage to venture 15 kilometres into the dangerous unknown to locate the escape vessel. However, Mills is an invader, a stranger in a strange land. And as the seasoned officer puts his training to use, fighting tooth and nail to stay alive in the planet's lush jungles crawling with death, a question emerges. In an alien world where the enemy is everywhere, what good is trying to escape?