As a child, young Evie lost herself in the myths and legends of the sea. As she plays and explores the headland, she finds a cursed necklace washed up at the seaside. She doesn’t realize the evil presence connected to it. As its power takes hold of her, she unleashes a deadly water demon that wants to claim her and those she loves.

https://www.imdb.com/title/tt13540744/
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