Wei Wuxian remains confined to the Library Pavilion to copy scriptures under Lan Wangji's supervision. He spends much of the time trying to provoke a reaction from "Lan Zhan," culminating in a prank where he swaps Lan Wangji's serious book for a book of pornographic art.
The episode is praised for its fluid animation and traditional Chinese aesthetic. As noted on Wikipedia , the series is part of the Donghua (Chinese animation) movement known for high-quality visual storytelling and intricate character designs.
Set during the flashback arc at the Cloud Recesses, the episode focuses on Wei Wuxian’s continued "punishment" and his attempts to bridge the gap with the stoic Lan Wangji.