Synopsis: Luo Han, a crocodile expert living in seclusion overseas, was entrusted by Kong Mingzhu, a wealthy businesswoman, to go to Hell Island which was full of crocodiles to find his younger brother Kong Zihao. After fighting against bloodthirsty worms and man-eating plants on the island, they found a secret experimental base. After Kong Zihao was found, Luo Han killed the escaping mutant crocodile and successfully got out of the island.
