Princess Lena, the future queen of Kimshirt, was injured and lost her memory in an assassination attempt. She met Dante, the king of the Kingdom of Drakona, under the guidance of fate. With fragments of memories flooding into her dreams and intimate nicknames appearing in her mind, mysteries emerged one after another, all hinting at a complicated past between her and King Dante... Adapted from [the novel of the same name](https://www.webnovel.com/book/the-dragon-king's-heart_19750138406278905).