Buried in a woodland grave are a mother and her child. One is alive. One is dead. It is one of the most harrowing cases to hit D.C. Charlie Stafford's department in years. Then more pairs of mothers and children go missing—and it's Charlie's job to find them. Soon, Charlie is hunting down a brutal serial killer with a twisted mind. But as she closes in on the culprit, she realizes she's in more danger than she thought. He's watching. He's waiting. Who's next?

With a Metropolitan Police career spanning 35 years, Sarah Flint has spent her adulthood surrounded by victims, criminals and police officers.