Brian Rhee

Friends since childhood, three young professionals struggle with their compulsions—schizophrenia, sex addiction, and infidelity.

Following the dumping of gallons of toxic waste in the river, a giant mutated squid-like creature appears and begins attacking the populace. Gang-du's daughter Hyun-seo is snatched up by the creature; with his family to assist him, he sets off to find her.