十二岁的良渚国公主瑜儿一直生活在妈妈的过度保护中。瑜儿的爸爸，良渚国王在十年前的一次洪灾中，被良渚先民共同的敌人怪兽天目所迫害。瑜儿的叔父大司幽，带着十年前与怪兽天目对战时所受的伤，一直辛劳地辅佐着女王，管理良渚，照顾瑜儿。日子一天天过去了。直到有一天，一场比十年前更大的洪灾再次威胁到良渚王国，瑜儿在那只神秘白鹿的召唤下，在那个雷电交加的夜晚，拿起了已故父王的王玉锥，抱着父王空着的灵魂罐，带着寻找父亲灵魂和拯救良渚的使命，踏上了历险之路...... Princess Yu'er, a 12-year-old Princess of Liangzhu Kingdom, has been living under her mother's excessive protection. Yu'er's father, the ruler of Liangzhu Kingdom, was killed by Monster Tianmu, a common enemy for Liangzhu ancestors, in a flood ten years ago. Yu'er's uncle, Dasiyou, has been working hard to assist the Queen to manage the Liangzhu Kingdom and take care of Yu'er, with the wounds he suffered during the battle against Monster Tianmu ten years ago. Time passes day by day. One day, a more severe flood than ten years ago threatens Liangzhu Kingdom again. Yu'er picks up the late father's jade cone, holds her father's empty soul jar, and embarks on the adventure under the call of the mysterious white deer on the night of thunder and lightning...