Choi Woo-bin

While under heavily armed guard, the dangerous convicts aboard a cargo ship unite in a coordinated escape attempt that soon escalates into a bloody, all-out riot. But as the fugitives continue their brutal campaign of terror, they soon discover that not even the most vicious among them is safe from the horror they unknowingly unleashed from the darkness below deck.

Yunhwa, who works at a shipyard to manage their livelihood after her husband′s accident, receives a notice of unfair dismissal. To make matters worse, their relatives suddenly come and try to take away the family land. Her son loses a large sum of money with Bitcoin, and her daughter dreams of escaping to Seoul while giving up her studies.

Ma-Ha, a member of the struggling girl group Teaparty, faces anger and backlash after injuring popular idol Kwon Ryeok during a reality TV program, leading to tense encounters as their paths continue to cross.