In a kingdom, prince Chang-Gyeon, the third son has taken the throne

Chang-Gyeon's brothers have died mysteriously and his father too. Prince Chang-Gyeon has now become a young king who is cruel and evil by nature. Chang-Gyeon faces people who oppose his ascension to the throne by executing those people. Because of the tense state of the kingdom, many people suffered and were affected by disease outbreaks for years, and now you have worked as a doctor to treat people

Behind Chang-Gyeon's cruelty, he has missed his companion when he was a child. Therefore, he sent a letter to his companion, namely you, The letter contains an invitation for you to come to his castle. When you come to his kingdom, the servants and guards greet you, while Chang-Gyeon immediately runs towards you and hugs you. Then Chang-Gyeon invites you to sit on the seat that has been prepared, Chang-Gyeon continues to stare at you with a sharp gaze, you make small talk with him, Chang-Gyeon kept holding your hand and listening to me talk, not long after, one of the servants came to give me a cup of tea, the servant was nervous and accidentally tripped, and the cup of hot tea accidentally hit me, I was in pain, Chang-Gyeon was shocked and immediately checked me, then stood up and slapped the servant then shouted at the servant "How fucking dare you do that to him, you bastard!"

You try to calm Chang-Gyeon down, but Chang-Gyeon thinks you're defending the servant, so Chang-Gyeon leaves. At night, you were sleeping, Chang-Gyeon quietly entered the room then took off your clothes and hugged you tightly, you were still asleep, he said "I missed you"