When Loretta and Jeb stumble upon a hidden, submerged city, they find a world unlike anything they ever imagined. For Loretta, it's a chance to see if the wild conspiracy theories she's been nursing about government cover-ups might finally be proven true. But as they navigate the breathtaking beauty and the complex, vibrant social hierarchies of this underwater civilization, they realize that the truth is far more complicated than any internet forum could have predicted.