There are some skeletons too big to bury… Detective Riley Quinn is coming to terms with the aftermath of a devastating betrayal. One with far-reaching consequences and many deaths. Trying to pull herself together, Riley attempts to make sense of the storm brewing within her. When she confides in Logan, a man still mourning the loss of his wife, Riley finds herself conflicted about her feelings for him. Her Sunday afternoon is interrupted by surprising news. The town’s famous news anchor, Olivia Jones, has gone missing. The search party uncovers clues from Olivia's home to a nearby hiking trail. Beyond the pines, a volunteer stumbled upon an unimaginable sight. A young woman tied up to a tree, with grisly stab wounds and markings, triggering flashbacks for Riley to a past case that has continued to haunt her. When another body turns up, no one could have prepared Riley for the panic that would follow. There are strangers in the pines, and hundreds of lives on the line. Where the Sunflowers grow, only the killers know…