When a raging flood traps a researcher and her young son, a call to a crucial mission puts their escape — and the future of humanity — on the line.
Koo An-na
Son Hee-jo
Shin Ja-in
Lim Hyeon-mo
Lee Hwi-so
Shin Ga-won
Lee Ji-su
Mother-in-Law
Apt. 2002 Resident
Thug
Pregnant Woman
Apt. 1503 Resident
Security team leader
Apt. 304 Resident
Apt. 702 Resident
Deacon
Resident 1
Resident 2
Resident 3
Resident 4
Resident 5
