Haunted by a past case that nearly drove her to the brink of insanity, former detective Megan Paige is drawn back into the hunt when a young girl is found murdered under eerily familiar circumstances. As more victims emerge - each connected by a chilling alphabetical pattern -Megan's obsession deepens, blurring the line between intuition and insanity. Battling her own fractured mind, she must uncover the truth before the killer completes the next letter in his deadly game.