This Book Doesn't Have A Cover Yet. Amy, Katy and Zach go on a trip to a city they have never been there before. Once they make the place seems like a causal city with high hopes. But the excitement doesn't last for long. Someone seems to be get them into trouble. Amy, Katy and Zach get trapped into a sewer! They must find their way out and find out who caused this. But once they escape Zach sees the person he least expected. What will happen?