Seo Ji-hoo attempts to extract the cache of a sealed group chat to revive the voices of deleted residents.
Seo Ji-hoo is on Min Seo-ryeong's side, but he cannot take the responsibility of pressing the recovery button for her.
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.
Joo Ah-rin is a transfer student who arrived after her older sister disappeared. She strives not to miss her sister's roll call response from behind the white door.
Joo Ah-rin sees her sister's face in a student ID photo left unattended, but she also read the replacement student section on the return log.
