Inseparable triplets Jackie, Sammie and Alex go to a movie. But while there, Sammie and Alex disappear, leaving Jackie and her parents frantic for their safe return.

As the FBI delves into every aspect of their family life, parents Scott and Katie struggle not to fall apart, scared every moment about what is happening to their daughters. Jackie faces survivor's guilt and overwhelming fear.

Although this book is, of course, focused on what has happened to Sammie and Alex, the real story that draws the reader in are the reactions of Jackie and her parents. The devastation and fear surrounding missing children will touch even people who aren't parents, creating tension as the reader waits to see if this family will face the worst life can offer.