"Welcome to the silo ... Thousands of them have lived underground. They've lived there so long, there are only legends about people living anywhere else. Such a life requires rules. Strict rules. There are things that must not be discussed. Like going outside. Never mention you might like going outside. Or you'll get what you wish for"--Cover verso.

In a future less than fifty years away, the world is still as we know it. Time continues to tick by. The truth is that it is ticking away. A powerful few know what lies ahead. They are preparing for it. They are trying to protect us. They are setting us on a path from which we can never return.

In a ruined and toxic landscape, within a giant underground silo hundreds of stories deep, lives a society full of regulations they believe are meant to protect them. Then Sheriff Holston, who has unwaveringly upheld the silo's rules for years, breaks the greatest taboo of all: He asks to go outside. His decision unleashes a drastic series of events. His unlikely replacement - Juliette, a mechanic with no training in law, is about to learn how badly...