The heavenly koi little imperial princess Bai Qingyin accidentally arrives in the mortal realm, becoming the deeply cherished little princess of the Great Xia imperial family. Naturally blessed with profound fortune, she helps others, resolves difficulties, and accumulates merits accompanied and guarded by her family, while also getting to know the mysteriously-identified youth Baili Xuanming. Along the way, she warms those around her with kindness and courage, quietly altering the destinies of many.