Tang Monk brings three disciples on a journey to the West. On the outside, everything seems harmonious. However, tension is present beneath the surface, and their hearts and minds are not in agreement. After a series of demon-capturing events, the monk and his disciples gain mutual understanding of each others’ hardships and unease. Finally, they resolve their inner conflict and work together to become an all-conquering, demon-exorcising team.

A playboy business tycoon, Liu Xuan, purchases the Green Gulf, a wildlife reserve, for a sea reclamation project, and uses sonar technology to get rid of the sea life in the area. Unknown to him, the Green Gulf is the home of merpeople, and the sonar has caused many of them to succumb to illness or die. Xuan’s business ventures in the area are threatened when he crosses paths with the mermaid, Shan, who is sent to avenge her people.