A working class family move into a new condo purchased after 11 years of hard work. They throw a housewarming party to show his co-workers when overnight a heavy downpour creates an extremely deep sinkhole that engulfs the entire building.
차승원
as Man-soo
김성균
as Dong-won
이광수
as Manager Kim
권소현
as Yeong-e
김혜준
as Eun-joo
김재화
as Kyung-mi
남다름
as Seung-tae
정영숙
as Grandma Oh
이학주
as Manager Jung
Han Hye-rin
as Hyo-jung
Kim Geon-u
as Soo-chan
Oh Ja-hun
as Seong-hoon
