When Lullaby arrives at the charming California seaside town of Poppy Bay, she’s just about ready to give up her search for other mermaids. She has spent the last decade searching for her merfamily, but she has yet to meet another merperson. During her respite in picturesque Poppy Bay, Lullaby makes friends with the locals, including the handsome rental cottage owner, Luke Hamilton. Will Lullaby finally connect with other merpeople, or will she find happiness in a world without them?