When Katie met Steve online a couple weeks before her 16th birthday party, she thought he was completely harmless and just someone to talk to to pass the time. But she was wrong. Steve was obsessed with Katie. And because of her, Steve would soon hold Katie and her friends hostage on her birthday, forcing them to do unspeakable things. They don't know what is going through Steve's mind and they don't know what he's capable of. But they will soon discover that there's a whole lot going on in Steve's insane head that they never would have suspected.

For months Summer is trapped in a cellar with the man who took her - and three other girls: Rose, Poppy, and Violet. His perfect, pure flowers. His family. But flowers can't survive long cut off from the sun, and time is running out...