It tells the story of Lu An-ran, the master of the country's water transportation, who vows to take revenge for her past life after being reborn.

In the past life, Lu An-ran was entrusted with the wrong person and lost everything. Lu An-ran is accidentally reborn, and in order to avenge her past life, she embarks on a path of revenge. However, in her quest for revenge, there is one person who is always in love with her, and that person is the ninth prince, Mu Chuan. Mu Chuan is not interested in the throne or power, but rather in the mountains. After meeting Lu Anran, he decides to accompany her on her quest for revenge.

Although they are in the prison of imperial power, they still put their hearts on all the people and eventually save them from the disaster.