Dr. Nate Daniels (Idris Elba), a recently widowed husband, is returning to South Africa with his daughters to a game reserve managed by his old friend, wildlife biologist Martin Battles (Sharlto Copley). But what starts as a journey of healing jolts into a fearsome fight for survival when a massive rogue lion – a survivor of blood-thirsty poachers who now sees all humans as the enemy – begins stalking them, intent on proving that the Savanna’s only got room for one apex predator.