"His Imperial Highness the Crown Prince has met with an accident." It was just another routine day in the imperial palace. However, the crown prince's sudden accident begins to shake the life of Yi Seon, the 6th in line to the throne as Princess Cheongyang. "Father, really. How could you assign such a harsh task to a mere girl?" "Seon-ah. You must become the Emperor." "What makes you any different, Your Highness? Honestly, in my eyes, you're no different from an ordinary person just carrying imperial blood." Beyond the deliberate dismissal of her middle uncle, who is being touted as the next crown prince, comes a secret proposal from the ninety-year-old emperor. Even the distrustful suspicions of Kwon Tae-oh, an essential partner needed to reach the truth. Seon proves that her uncle's death was not a mere traffic accident, but a cleverly orchestrated murder. To prevent power from falling into the wrong hands, she throws herself right into the heart of chaotic politics... *This work is a creative work based on historical research, and includes fictional settings regarding characters, place names, organization names, and events that are unrelated to actual history. Please keep this in mind while reading.