Barbie stars as Merliah, a surfing champion from Malibu. One minute she's a normal teenager and the next she learns a shocking family secret: she's a mermaid! Merliah and her dolphin friend Zuma set off on an undersea adventure to rescue her mother, the queen of Oceana. With help from her new mermaid friends, Merliah saves the ocean kingdom. In the end, she discovers what makes you different can also be your greatest strength.
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