Giant Snake Escape From A Research Facility

Qin Yu’s fiancée died while investigating the sinister Cass group. In order to successfully testify against this group in court, Qin Yu followed Jason, who had evidence of the group’s crimes, on a cruise, but was suddenly attacked by a group of mutant snakes.
By mistake, they visit the island where the Cass Corporation conducts illegal experiments. The strange ecological environment of the island and the re-emergence of giant snakes put Qin Yu and others in a desperate and deadly situation…