We all know the story of Six, Mono, Runaway Kid, and Raincoat Girl, four young children who went through a lot, but what happened after Six had betrayed Mono, and left him to rot in The Signal Tower?.. After escaping The Nest, The Maw, The Pale City, and The Signal Tower, Six thought it was over, no more danger, but she didn't know the ones she had wronged were back for revenge.. (Most of the characters used in this book do not belong to me.)