The team are called in after a wealthy teacher is discovered dead in an abandoned bookstore.

As the team juggles small breakthroughs and mounting frustrations, a fresh lead takes Karen across state lines. Marie faces new problems at work.

As Karen and Grace Rasmussen compare notes on their cases, they consider an alarming possibility. In Washington, Marie’s name is leaked to the press.

Marie struggles with the fallout from her retraction. Three years later, in Colorado, Detective Karen Duvall investigates a strikingly similar attack.