Crown Prince In and Kaning are bound in marriage by a promise between their families. Before this, Prince In shared a close bond with Minnie, a friend so dear she was often seen as his “girlfriend.” He once asked for her hand in marriage, but she turned him down—only to regret it later and long to win him back. Meanwhile, the former Crown Princess schemes to reclaim the throne for her son, Prince In’s cousin. Yet as Prince In and Kaning spend each day together, they slowly begin to understand one another and develop genuine feelings. How will their love story unfold?