The Emperor Abandons the Empress - S1.E35

As the Emperor reads from Vincent Lee's book, the Empress Dowager screams for him to stop. Soon after, Chief Byun enters the room and demands to know the truth behind her daughter's death. The Crown Prince also emerges and confesses he is Vincent Lee and that the narrative of the book is true. Later, the Emperor abandons the Empress Dowager as his mother and swears to protect Sunny until the very end.