Joo Byeol

Jo Dae-yeong is a police officer investigating a pickpocket ring with ties to the Yakuza. One day he rescues Baek Jang-mi from danger, only to discover that she is the boss of the gang he has been tracking.

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.