Wen Qingyin, the talented pill cultivator and Young Sect Master of the Cloud Immortal Sect, secretly studies a forbidden manual while maintaining the façade of a diligent herb scholar. At Yingzhou Academy he encounters Pei Junheng, the proud sword cultivator heir of the rival Wanzhou Sword Sect, and their long‑standing sect rivalry erupts into constant clashes. A mischievous dean forces them to cooperate, binding their fates together as roommates and classmates.

Determined to gain the upper hand, Wen Qingyin plans to use a rare love gu on his enemy, but as they share classes, training sessions, and unexpected moments of vulnerability, the line between hatred and something else begins to blur. Amidst cultivation contests, secret schemes, and the looming threat of exposure, both boys must navigate their ambitions, hidden talents, and growing feelings in a world where power, prestige, and affection are intertwined.