Siren is Freeform's mermaid mystery-thriller TV series, based on Eric Wald and Dean White's mermaid story, The Deep.

In Siren, Bristol Cove is a coastal town known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.

Season 3 of Siren airs Thursdays at 10pm/9c on Freeform.

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