A struggling circus crew gets deceived by its former partner, as it embarks on a tour in Thailand. During the journey through a Southeast Asian rainforest, they encounter attacks by a giant python. They meet a mysterious man named Jeff who offers to help, but they soon realize he's a poacher. As they search for Jeff's boat, they face life-and-death struggles with the python and Jeff himself.
Forensic doctor Qing Ling travels to Sheung Shui village to look into and investigate the true events behind her brother's disappearance. The villagers are living in mortal fear of the curse of a creature known as the Water Monkey.
This seemingly peaceful world is not just inhabited by humans. All along, the little demons and fairies in the world have been living among us in human form. Among them, there are those who are kind-hearted towards humans and those who are wicked. The secret organization that maintains order and peace in this world is the hidden martial arts clan known as the Hidden Mist Sect. The evil demon Tian Xie attempts to use the power of Tai Sui to eradicate the Hidden Mist Sect and build a demonic kingdom, but unexpectedly, Tai Sui becomes attached to Wu Yin.
