A grieving woman magically travels through time to 1998, where she meets a man with an uncanny resemblance to her late love.
Dong Jin, the owner of a mask manufacturing factory, brings his son to the emergency room. Because his son gets bitten by a dog with the rabies. While he is at the hospital, the factory workers fight over the future of struggling company.
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.