Ep. 4: Lan Zhan becomes intoxicated while investigating Yunping city alongside Wei Ying
Aired on August 21, 2021

Lan Zhan consumes alcohol and becomes drunk. Following this state, he proceeds to investigate matters within Yunping city. He is accompanied by Wei Ying during this investigation. The pair works together to examine the situation in the city while Lan Zhan is under the influence of alcohol.
Episodes
- Ep. 1 · Lan Wangji and Wei Wuxian start investigating Yi City
- Ep. 2 · Lan Wangji and Wei Wuxian locate the juniors while revealing the truth behind Xiao Xingchen
- Ep. 3 · A dark past is revealed, a mystery is solved, but another arises.
- Ep. 4 · Lan Zhan becomes intoxicated while investigating Yunping city alongside Wei Ying
- Ep. 5 · Lan Xichen arrives to assist Lan Wangji and Wei Wuxian in subduing the Body before heading to Jinlintai Tower.
- Ep. 6 · Wei Wuxian and Lan Wangji investigate the history connecting Nie Mingjue and Jin Guangyao
- Ep. 7 · The past is revealed and an identity is unmasked in this episode
- Ep. 8 · Wei Ying uncovers details regarding Lan Zhan's past as clarity turns to turmoil