In 1932, a series of strange murders occurred in the city of Beihai. During the investigation by police detective Long Cong, he found that the murderer used illusions to kill people disguised as ghosts and monsters. Finally, with the help of the female reporter Hua Ling, Long Cong brought the murderer to trial, but the truth hidden behind it was too much for him to accept...

During the Republican China, a series of murders happened in Beihai City. Finding that all the victims were professional magicians, the police detective Long Cong turns to the real magician for help.

A Group of biologists go on a rescue mission to Hell Island, but they find themselves threatened by giant crocodiles - and a mega crocodile - and their fight for survival begins.