Unrequited love is hard enough when youre a normal teenage girl, but for mermaid Lily Sanderson, theres no such thing as a simple crush.Lily has a secret, and its not her huge crush on gorgeous swimming god Brody Bennett, who makes her heart beat flipper-fast. Lilys mermaid identity is a secret that cant get out, since shes not just any mermaidshes a Thalassinian princess.When she discovered three years ago that her mother was actually a human, Lily finally realized why she didnt feel quite at home in Thalassinia, and shes been going to Seaview High ever since.Living on land has its problemslike her obnoxious biker-boy neighbor, Quince Fletcherbut it has that one major perk: Brody. The problem is, mermaids arent really the casual dating typewhen they bond, its for life.When Lilys attempt to win Brodys love leads to a case of mistaken identity, she finds out, quick as a tailfin flick, that happily ever after never sails quite as smoothly as you planned.