: During a spaceflight, their ship is caught in an asteroid storm and crash-lands on Earth, now a quarantined and hostile environment where every living thing has evolved to kill humans.
Set 1,000 years after environmental collapse forced humanity to flee to the planet , the story centers on General Cypher Raige (Will Smith) and his teenage son Kitai (Jaden Smith).
: Kitai is hunted by highly evolved predators and an Ursa , a terrifying alien creature that escaped the crash and tracks its prey by "smelling" fear.