The film tells the story of Fan Jingya, who devoted herself to researching and treating ALS for her son. Chen, the boss, used her to develop a mutated and highly intelligent Zhang Shark, which caused a huge disaster and trapped everyone on a cruise ship. Fan Jingya and LuThe two of them cooperated with each other to lead the crowd in a battle of wits and courage against Zhang Shark, and a large-scale escape battle between humans and beasts began.