Ten years ago, Emperor Nayixiang King Sakura Miao officially launched the artificial excavation project of the Beijing-Hunan Grand Canal. In fact, it was a plan for King Yixiang to seek power and usurp the throne. On the same day, the Yixiang Palace was assassinated, but the assassin Hinata Zao was rescued by Sakura Mikan, the only daughter of the Yixiang King who did not know it, and was taken into the palace.
Four years later, the emperor died. The third prince, Nogi Ruka, succeeded to the throne and summoned King Yixiang to bring his daughter Sakura Mikan to the capital, where they met Mikan and Zao.
Ten years later, when the time was right, Zao was sent by King Yixiang to prepare what plan... And because Liujia fell in love with Mikan and wanted to take her into his harem, it was only after Mikan was notified that she suddenly realized her feelings for Zao. How will she deal with her feelings and Liujia...