A tomb was found in the Valley of the Kings, and in it were ten manuscripts that had lain in hiding for four thousand years. The famous Egyptologist and his wife manage to decipher these scrolls - the creation of a brilliant author, the ancient chronicler Taita. The seventh of them sheds light on the mystery of the burial of Pharaoh Mamos in the wild mountains of Ethiopia, where he found his last refuge along with his countless treasures... The scientist is already close to completing his work, but he is attacked in his own home and brutally killed. The seventh scroll has disappeared, and now unknown people are making attempts on the life of the Egyptologist's widow, because she knows too much. Having miraculously escaped death, she convinces the English archaeologist-adventurer to immediately go to Ethiopia in search of the mysterious sarcophagus...