Prentiss uncovers a series of brutal killings linked by a specific calling card. Despite being haunted by Elias Voit, the BAU is forced to team up with him to track the Gold Star killer. Rossi and Prentiss devise a plan to gain leverage over Voit.

When the identity of the last Gold Star member is revealed, the pieces of the puzzle click together. Prentiss, now in mortal danger, must confront Jade and her accomplice to expose the truth behind the “conspiracy” before time runs out for the BAU.