Scene 4 – A Room in the Palace of the city of Horizon "(a month later)": One tragedy after another falls on Akhnaton as he hears of further rebellions across Egypt, as Horemheb tells him that he no longer supports him, that his son-in-law Tutankhaton has turned against him and that the supposedly finished cult of Amon has risen again. He falls into a hysterical fever at these events, prompting Nezzemut to suggest that Para make one of her famous brews (i.e. poison) to calm him. Nefertiti feeds the brew to Akhnaton and is about to drink some herself when a horrified Nezzemut stops her. Nefertiti realises that she has been betrayed and has been tricked into poisoning her husband. Horemheb arrives and is distraught at the events he has caused. Akhnaton dies and Nefertiti herself drinks the brew…