Four years after putting off her tail to marry a human, former mermaid Tamarind Wilkerson finds her life anything but a fairy tale. Her husband, John, works long hours at a startup where his former girlfriend Zoë takes a job-and takes an interest in him. She's pregnant and lonely, stuck caring for a two year old in a world very different from life underwater. Her only real friend is an elderly woman named Lucy, who has her own family dramas and unhealed wounds to deal with. On the island of Culebra, where Tamarind's best friend Valerie still lives, lurks Ana, the witch who transformed her. Ana has plans for her young protégé, and she intends to bring her back any way she can. As Tamarind's ordinary human life suffocates her, she begins to wonder "Is this what I gave my tail up for?" And Ana's power begins to tempt her ….
