Prince Han Yi of the Shu Kingdom has liked Pu Mixuan since he was a child, but despite his noble status, he has an unrequited love, even after he becomes a king. No matter how willful, arrogant, and unreasonable Pu Mixuan is, the person she even likes is not him. But he still liked her, but ignored Luo Xianyun who was always by his side. And Luo Xianyun was liked by Yi Youyin, the prince of Ling Kingdom.
The unrequited love of the four entangles their destinies.