Zhi Xu, a top student, meets Luzhou Chen, a troublemaker with a violent past, during the summer after her college entrance exam. Despite their contrasting reputations, an unexpected connection forms between them.

Seven evil thoughts capable of corrupting human nature were sealed into bamboo strips by Lao Zi using the Phoenix Lock. Unexpectedly, these cursed strips resurface, threatening to unleash chaos.

The kind and tolerant grandma (played by Hui Yinghong) reunites with her granddaughter (played by Liu Haocun) who was accidentally lost twelve years ago. The grandfather and grandson have gone from being estranged to relying on each other.