When his fiancée starts investigating the sinister Cass Corporation, Qin Yu can’t help but worry for her safety. After her sudden death, Qin Yu is convinced Cass is somehow involved and is determined to find the truth. But going up against such a powerful corporation isn’t easy. Aware that former Cass employee, Jason, has information on the company’s illegal operations, Qin Yu follows him. Booking passage on the same cruise ship as Jason, Qin Yu hopes to secure the information he needs on Cass to be able to testify against them in court. But Qin Yu isn’t the only person on board hoping to gain intel on Cass. Desperate for a story, reporter Feng Li tails both Qin Yu and Jason, booking passage on the same cruise. Unfortunately, no one has much of a chance to gain information as the ship is suddenly attacked by giant mutant snakes. Escaping the attack, the survivors find themselves on the very island Cass Corporation has been conducting their illegal experiments. With the ecology of the island altered through Cass’ experiments, the survivors soon find themselves face-to-face with unspeakable horrors. Hunted by monsters of all sorts, will any of the survivors find a way to bring Cass down and make it off the island alive?