Immortality.

Mo Ran is the young disciple of the most powerful cultivator in the world, Chu Wan Ning. Due to misunderstandings and general differences, the two have been at odds with each other. Chu Wan Ning finds himself helpless in the face of Mo Ran's teenage rebellion and the two keep on drawing further apart. Unbeknownst to Chu Wan Ning, in a past life, Mo Ran and Chu Wan Ning's animosity ended in great bloodshed and misery when Mo Ran turned to the dark cultivating techniques. After the past life ends, sixteen-year-old Mo Ran wakes up with knowledge regarding the events of that past life. Believing he can change his tragic end this time around, Mo Ran sets out to change the course of events as he knows them but soon finds out things are not as they seemed to him.