An American military base of Yongson releases toxic chemicals in the drain to the Han River under the direct order of an arrogant coroner. Six years later, a mutant squid monster leaves the water and attacks people on the side of the river.

Director: Bong Joon Ho

Writer: Bong Joon Ho, Won-jun Ha, Chul-hyun Baek

Actors: Song Kang-ho, Byun Hee-Bong, Park Hae-il

Production: N/A