In the Eighteenth Century, in a small village in Ireland, Redmond Barry is a young farm boy in love with his cousin Nora Brady. When Nora gets engaged to the British Captain John Quin, Barry challenges him to a duel of pistols. He wins and escapes to Dublin but is robbed on the road. Without an alternative, Barry joins the British Army to fight in the Seven Years War. He deserts and is forced to join the Prussian Army where he saves the life of his captain and becomes his protégé and spy of the Irish gambler Chevalier de Balibari. He helps Chevalier and becomes his associate until he decides to marry the wealthy Lady Lyndon. They move to England and Barry, in his obsession of nobility, dissipates her fortune and makes a dangerous and revengeful enemy.
The story centers on a group of young people who travel back in time when they are in a movie theater just before closing time. They witness deaths during the closing days of Japan's feudal times and on the battlefront in China before they are sent to Hiroshima just before the Aug. 6, 1945, atomic bombing of the city.
Due to his knowledge of the native Bedouin tribes, British Lieutenant TE. Lawrence is sent to Arabia to find Prince Faisal and serve as a liaison between the Arabs and the British in their fight against the Turks. With the aid of native Sherif Ali, Lawrence rebels against the orders of his superior officer and strikes out on a daring camel journey across the harsh desert to attack a well-guarded Turkish port.
Even as bombs fall on Damascus, Mutaz refuses to flee to the uncertain life of a refugee. His wife, Hala, and daughter, Zeina, must make the choice whether to stay or leave.