Do Ha-jun discovers that the admin account of the sealed group chat is linked to the student counseling system. The 'Leave' button appears only for him.
Do Ha-jun wants to let Serin out, but he knows he can be trapped in the room in her place.
Source stage
More discoveries
Moon Ha-rin is a dawn delivery driver and the sole witness who received a delivery completion notification for a door that does not exist on the 17th floor.
Moon Ha-rin clings to the fact that the number on her non-burning visitor pass matches the order number on her thermal bag.
Seo Ji-hoo attempts to extract the cache of a sealed group chat to revive the voices of deleted residents.
Seo Ji-hoo suspects that the Blue Line is not a power line but a deletion line that burns complaint files.
