Alex knows she is different. She’s plagued by nightmares that feel shockingly real and an intense restlessness she cannot explain. As the long hot summer holidays stretch before her, Alex seeks out adventure in the rugged mountains of Injasuthi. But during a camping trip to the mystic jade pools, Alex meets Merrick, a boy who tells her the shocking truth about herself, and Alex's nightmare is about to become reality. Because Alex is no ordinary teenager...she is a half-mermaid and her adventures are only just beginning.