In Wallace Idaho, Cody Marsh begins mapping an old cemetery. The discovery of a solitary headstone, engraved only with ‘Sparrow’, haunts her. When a body is discovered she sees no connection. But as she follows Sparrow’s winding tale into secrecy, betrayal, and loss, an attempt on her life proves a link. Hurt and scared, Cody flees to those she loves, which is exactly where the killer wants her.