A dragon fish is stolen by Tetsu Tobiyama and biologist Thomas Earwing seeks its return. Poo is led to Natsuro after she worms her way into a top secret file at Delta headquarters for information.

He creates a plague on earth and sends the demon dragon Fish Bu Confusion (Roy Cheng) and the tree demon Pu Kwai (Zhang Chuxuan) to capture his nemesis Li Xin Yuan (Chen Haomin) in his dreams.