Following an explosive face-to-face encounter with Everett Lynch, a.k.a. ÔÇ£The Chameleon,ÔÇØ Dr. Reid suffers from a brain injury and, while experiencing hallucinations, is visited by ghosts from his past. Also, the BAU makes a shocking discovery about Lynch that affects Rossi personally, and the entire BAU team comes together to celebrate RossiÔÇÖs retirement.
