The drama is adapted from Mao Mao Mao's novel - The Poisonous Mercenary Princess. It tells the story of Han Ziqing, a concubine of the prime minister's palace, who accidentally meets the Tianming God of War, Bei Yue, and is forced to get involved in a powerful country.In the midst of disputes with foreign tribes, the two went through hardships and tests, killed evil spirits along the way, and finally got married.

Han Ziqing (played by Zhu Xudan), the concubine of the Prime Minister's Mansion, accidentally crossed paths with Beiyue (played by Zhang Han), the God of War of Tianming, and was forced to be involved in a continental dispute involving powerful countries and numerous foreign races.

The poison of Meixiang leads to the mystery of Han Ziqing's life experience. The seven musical notes scattered on the mainland are the clues returned to her hometown: In order to uncover the mysteries one by one, Han Ziqing and Jun Beiyue embarked on the road of hardship, and with LongFight wits and courage among various hidden powerful forces on the Abyss Continent - the ant-man skin in the deep sea and the mysterious special grass world.

We also explored many secret areas of the mainland that are impossible for ordinary people to reach, such as Qin Yaohai Valley, Youxian Island, and Jiaode which only exist in legends.After going through many hardships and tests, the two finally solved the mystery of their life experiences, killed all kinds of evil poisons, and protected Long Yuan's peace and tranquility. The love between Han Ziqing and Jun Beiyue also finally became a good fruit.