In Cancun, Mara met Chris and Aaron, two mysterious men who spend most of their time under the ocean. They showed her a world she never could have imagined -- and she chose to return to her normal life.Now, months later, Mara returns to the Mexican beaches hoping to find what she left behind. But even if she does reunite with the two men who changed her world, how can she stay with them in their mysterious world under the sea?