A British Army officer resigns his commission on the eve of a campaign in Sudan to be with his fiancee. His comrades accuse him of cowardice, and when he learns his girlfriend thinks the same, he becomes determined to salvage his reputation. Disguised as an Arab, he finally has the chance to redeem himself when his friends are captured in battle. Period adventure based on The Four Feathers, with Laurence Harvey, Anthony Steel, Ronald Lewis and Mary Ure