The play is adapted from the novel of the same name by Xing Ling, a popular author from Jinjiang Literature City. It tells the story of Kuching, the son of the true god, and Ayin, the water condensation beast, who work together to save the people of the three realms.

A Yin, a water condensation beast who is inspiring and motivated, and Ku Jin, the son of a true god whose divine power has been sealed, met by chance and embarked on the road to find the immortal essence together. Accompanied by friends such as Hong Yi, the king's nephew of the Fox tribe, and Yan Shuang, the princess of the Eagle tribe.Next, we will safeguard the peace of the world, shoulder the righteousness of the people, grow together, and eventually gain love, friendship, and family affection.