Totokamen is an entertainer and an illusionist who performs in various Egyptian nightclubs assisted by his manager, Tarantenkamen. Taking advantage of cheesy tricks, Totokamen pretends to be the son of the god Amun. The Pharaoh Ramses II is in the meanwhile facing the inexplicable betrayal of trust Maciste, who has decided to unleash a revolt against him, along with the Assyrians. To cope the emergency, a minister who had witnessed the spectacle of Totokamen is convinced that the man is really a demigod and that he is the right man to face Maciste.