One selfless act as a teen unfairly caused Sirena Seafair to forfeit her ability to shift into a mermaid. Fifteen years later, her mundane life is about to change when Jack O'Casey arrives in the Irish town of Grimm Nitch and opens his restaurant, Mermaid Cove. The man is bound and determined to make Sirena his no matter what. But if by chance, Sirena can find a way to reclaim her life as a mermaid, will she leave Jack and her human life behind in exchange for a life beneath the sea? Or will surrendering her heart to love be the magic she's been waiting for all along?