In an age of royal intrigue, the Queen Dowager installs Lee Gon, a minor prince, as a puppet ruler to strengthen her family’s grip on the throne. To keep him under control, she arranges a political marriage with Yeonji, a woman from a humble background. Yet what begins as a forced union soon grows into something deeper. Through affection and shared trials, Lee Gon —once powerless and naïve— starts to rise as a true king, guided by Yeonji’s quiet strength and loyalty. A story of love, ambition, and transformation set against the backdrop of palace politics.