A teenage girl makes a startling discovery about her connection to the Seawalkers, legendary beings who are half-human, half-sea creature.

FBI agent Audrey Parker arrives in the small town of Haven, Maine to solve a murder and soon discovers the town's many secrets—which also hold the key to unlocking the mysteries of her lost past.

FBI agent Audrey Parker arrives in the small town of Haven, Maine to solve a murder and soon discovers the town's many secrets—which also hold the key to unlocking the mysteries of her lost past.