Down-on-his-luck veteran Tsugumo Hanshirō enters the courtyard of the prosperous House of Iyi. Unemployed, and with no family, he hopes to find a place to commit seppuku—and a worthy second to deliver the coup de grâce in his suicide ritual. The senior counselor for the Iyi clan questions the ronin’s resolve and integrity, suspecting Hanshirō of seeking charity rather than an honorable end. What follows is a pair of interlocking stories which lay bare the difference between honor and respect, and promises to examine the legendary foundations of the Samurai code.

In the carefree days before World War I, introverted Austrian author Jules strikes up a friendship with the exuberant Frenchman Jim and both men fall for the impulsive and beautiful Catherine.

1916年，阿拉伯大起义爆发。 英军中尉 Lawrence（Peter O'Toole 饰）受命登上阿拉伯半岛之后，决定带领阿拉伯人夺取亚喀巴。在穿越沙漠的过程中， Lawrence 力排众议孤身返回搭救了失踪的 Gasim（I.S. Johar 饰）。此举赢得了众人的尊敬，Ali ibn el Kharish（Omar Sharif 饰）沙里夫甚至让 Lawrence 换上了沙里夫的长袍，而 Lawrence 也欣然接受。可是阿拉伯部落间并不和睦，Harith 部的 Gasim 杀了 Howeitat 部的人，双方剑拔弩张。为了平息争端，Lawrence 亲手处决了 Gasim，而杀人的快感却让 Lawrence 感到不安。成功夺取亚喀巴之后，Lawrence 驼不停蹄地穿越西奈半岛回到开罗。Allenby（Jack Hawkins 饰）将军大喜过望，升 Lawrence 为少校，对其寄予厚望……