An abandoned little boy is the only clue
to a killer's dangerous holiday plot…

Certain a desperate 911 caller is her presumed-dead sister, emergency dispatcher Brandi Callahan follows the cryptic message to a terrified toddler…and an armed assailant. Now Brandi will do anything to protect the boy—even if it means asking her ex-fiancé, Texas Ranger Rhett Kincaid, for help. But can Brandi and Rhett stop this killer before he exacts his terrible Christmas vengeance?