Set in the thirteenth century, The Onyx King follows the story of Agymah, the despised and rejected son of a concubine. Owing to the persistence of his mother, though, King Abbuci eventually agrees to send Agymah to the prestigious University of Cambridge. There, The Forgotten Son vows to acquire all of the kwledge and resources he can before returning to liberate his oppressed countrymen, the Fabuciin tribe. Unbekwnst to Agymah, however, a dark power has already plotted the course of his destiny. Forced into a slave trade, Agymah soon finds himself at the mercy of the beautiful and mysterious Sehkmet. Cornering her prey one night, Sehkmet reveals herself as an immortal and sinister vampire queen. Will Sekmet succeed in using Agymah to sire a new race of vampires, or will he escape her clutches to save his people-and mother-from certain destruction?