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.
Cha Seung-won
Kim Sung-kyun
Lee Kwang-soo
Kwon So-hyun
Kim Hye-jun
Kim Jae-hwa
Nam Da-reum
Jung Young-sook
Lee Hak-ju
Han Hye-rin
Kim Geon-u
Oh Ja-hun
Na Chul
Kim Hong-pa
Park Ok-chul
Ko Chang-seok
Jung Yun-ha
Kim Byung-chul
Jang Gwang
Jung Seo-in