白浅（刘亦菲 饰）失去了上一世的记忆，盘踞在青丘山内，过着与世无争自由自在的生活。在东海盛宴上，白浅遇见了带着天孙阿离（彭子苏 饰）的天族太子夜华（杨洋 饰），实际上，两人之间早就定下了婚约。夜华震惊于白浅拥有的和他死去的妻子素素一模一样的外表，于是开始接近白浅，在此过程中被白浅善良开朗的性格渐渐吸引。 　　实际上，白浅一直忘不了的是当年为了拯救众生而牺牲了自己的天族战神墨渊（杨洋 饰），他的仙体一直被保存在炎华洞内。夜华的侧妃素锦（李纯 饰）十分嫉妒白浅能够得到夜华的喜爱，于是勾结鬼族王后玄女（顾璇 饰）偷走了墨渊的仙体，得知此消息，白浅失去了理智。Three hundred years ago, the her that stood on the Zhu Xian Terrace, turned around and jumped off without regret. Caused the him that stood by the bronze mirror to witness with his own eyes her death. Three hundred years later, in the East Sea Dragon Palace, her and him meet unexpectedly. Another lifetime another world, once again facing this person that had betrayed her, she is indifferent as wind.