Linnea's only safe place is a spot on the rocky shoreline where the water can be rather vicious. It's here where she meets, and falls in love with, a mermaid named Mren. As their romance blossoms, the escalating harassment from Linnea's ex-boyfriend Mikey threatens the secret relationship. Mren has vowed to protect Linnea, but she's confined to the water and Mikey is a land monster. Meanwhile, Linnea will do anything to keep Mren safe from him. Anything.