Sixteen-year-old mermaid Coral has always been different, standing out from her stoic sisters in a society where blending in is key. Worse yet, she fears she has been afflicted with the dreaded Disease. Said to be carried by humans, the Disease imposes emotions on its victims, causing them to commit unspeakable acts. The growing illness inside her, while terrifying, fascinates her very core. Where others see danger, Coral sees life. Could it be the colorless merfolk who are truly ill? Above the sea, seventeen-year-old Brooke Jordan has nothing left to give. A homeless girl abandoned and forgotten, the only thing Brooke can rely on is the ocean. Her aching feet find refuge within the cool and comforting waves, while her broken heart grows harder with each passing day. When Brooke's and Coral's worlds collide, everything alters in an instant. From learning to stand alone, to discovering the strength it takes to rely on another, the girls find that living requires taking that first painful breath. Each must make sacrifices. But when it comes to finding true love? Let's just say the boys in their lives must learn to swim if they're ever going to survive the storms. Battling the odds against them, the girls will do whatever it takes to survive. But what must end for love and life to finally begin?