Merman Chang Yi was captured and sent into the Floral Valley by Fairy Shun De under the accusation that he had attacked her and injured her aides. As punishment, Shun De demands that the spirit masters of the Valley discipline Chang Yi such that he will: speak human words, sever his tail and never return to sea, and give up his spirit pearl to prove his undying loyalty towards Shun De. Seeing this as a chance to break free from the Valley, Ji Yun He, a talented spirit master of the Valley volunteered to train Chang Yi along with Lin Hao Qing, the young master of the Valley. While Yun He only intended to make use of Chang Yi, she quickly become moved by his pure-heartedness and innocence. Soon, she will have to make a difficult choice for both of their freedom.