Arabia, 1916. Theeb lives with his Bedouin tribe in the desert. Having recently lost his father, it falls to Theeb’s elder brother, Hussein, to raise him. When a British army officer arrives on a mysterious mission, Hussein agrees to escort him to his destination. Theeb chases after his brother and soon finds himself at the centre of a bloody ambush. If he is to survive, Theeb must quickly learn about adulthood, trust and betrayal.