is a South Korean sci-fi action-horror film directed and written by Kim Hong-sun . It is known for its extreme gore, utilizing an estimated 2.5 tons of blood during production. Plot Overview
The story centers on the , a cargo ship transporting 47 dangerous South Korean criminals from Manila, Philippines, to Busan, South Korea.
A perceptive and dedicated detective in charge of the prisoners. is a South Korean sci-fi action-horror film directed
A high-ranking figure overseeing the project with superhuman abilities. Lee Seok-woo The commander of the detectives on the ship. Critical Reception
: Hidden in the ship's hold is Alpha , a genetically enhanced super-soldier created through inhumane experiments. The violence on deck awakens Alpha, who begins a relentless, indiscriminate massacre of everyone on the vessel. A perceptive and dedicated detective in charge of
An unstoppable, animalistic killing machine and a former WWII experiment. Oh Dae-woong
A mysterious prisoner with a dark past linked to Aeon Genetics. Lee Da-yeon Critical Reception : Hidden in the ship's hold
: The film shifts from a crime thriller into a sci-fi monster movie as survivors must face both the escaped convicts and the monstrous bio-weapon. A deeper conspiracy involving a pharmaceutical company, Aeon Genetics , is gradually revealed through flashbacks. Main Cast Role Description Seo In-guk Park Jong-du