When the Sudanese civil war reaches his village in 1985, eleven-year-old Salva becomes separated from his family and must walk with other Dinka tribe members through southern Sudan, Ethiopia, and Kenya in search of safe haven. Based on the life of Salva Dut, who, after emigrating to America in 1996, began a project to dig water wells in Sudan.

Two years after vanishing into the Sudanese desert, the leader of a British archeological expedition, Professor Harold McCabe, comes stumbling out of the sands, frantic and delirious, but he dies before he can tell his story. The mystery deepens when an autopsy uncovers a bizarre corruption: someone had begun to mummify the professor's body--while he was still alive. His strange remains are returned to London for further study, when alarming news...