Lu Jinwen x Xu Cilan (sultry x gloomy)
Wen Su x He Fuyu (pseudo-orthopedics*)
[Unlimited streaming + group portrait + suspense + double CP]
A mysterious invitation arrives, forcing you to participate in the "Dungeon Exam". The target is Subway No. 1019.
Xu Cilan is looking for a line, Lu Jinwen is looking for someone, and Wen Su is protecting He Fuyu.
When four lines intersect in a bustling subway station, this game called survival has just begun.
Tip: Nightmares are foreshadowing, traveling together is destiny.
Purpose: secret
