The sadistic story of the prince of Lanling Kingdom who is gentle on the outside but crazy on the inside and the prince of Mingyue Kingdom who is bright and sunny. The prince of Mingyue Kingdom was assassinated on his way to Lanling Kingdom to attend the birthday banquet of the leader of Lanling Kingdom. The seriously injured prince was rescued by Lan Yu who was nearby. The two develop a bond, and continue to get to know each other and develop feelings for each other during the birthday party. But they don't want the past to really come to light. Where should the two people who are in trouble go?
