In the water towns of Jiangnan, the poor fisherman Shen Changhe's family relies on fishing for a living, and life is difficult. Four-year-old daughter Shen Nianxi accidentally rescues a hunted hundred-year-old white turtle and forms a bond with it. With the help of Guigong, the Shen family finds a glimmer of life from desperate straits, but also attracts the covetousness of villains. Facing crisis after crisis, Shen Changhe's family relies on kindness, courage, and hard work, ultimately reversing their destiny and walking towards a prosperous life.