Love Without Cause

When longing is like a parasite, even a sip of poison is taken without reason.

To save a friend, Zi Qing Huan, an assassin from the Demon Lair, disguises herself and sets out. On the way, she meets the seventh young master of the Nan Hai Zhuo family, Zhuo Qi. Drawn to Huan's mysterious air, Zhuo Qi joins her on her journey.

Lie Feiyan pursues Huan relentlessly to avenge the destruction of his family. On the eve of the Shu family's birthday banquet, Chonghua, whom Huan has been avoiding, suddenly appears. What is his true purpose?

Zhuo Qi discovers Huan's true identity, but she suddenly vanishes. Shu Yunxiao grows resentful over their complicated relationship, and, under Chonghua's influence, casts the Gu poison Longing Without Cause on Zhuo Qi...