The Prince Returns - S1.E25

When the Emperor tells the Empress Dowager that he had taken care of Yu Ra without her consent, she smiles and embraces him. She then tells him of her decision to dethrone the Crowned Prince. At the Imperial Auditor's meeting, a new law is passed to keep the option of an empress regnant. Meanwhile, the Prince gives the Empress the diary of the late Empress So Hyun.