It is based on a story from Phra Aphai Mani, a 30,000-line epic poem by Thailand's best-known poet Sunthorn Phu.
Charlie Trairat, the young male lead from Fan Chan, portrays the title character, a boy who is the son of a mermaid who is sent on a magical quest to find his father, a prince.
It is a mix of live action and computer-generated imagery.
The story was previously adapted in the 1979 Thai animated feature, The Adventure of Sudsakorn.
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