Meredith volunteers to run the ER for a night in hope of proving that she is chief-resident material; Bailey and Eli (Daniel Sunjata) get into mischief; Adele comes to the hospital as a patient.
When Hotchner takes a leave of absence from the BAU, the team must regroup to solve a home invasion.
When a child is abducted at a mall, the BAU locks down the area and profiles people at the scene.
A killer targets survivors of a high-school massacre, who have gathered for a reunion; Hotch fears that his son is being bullied.
The BAU investigates a case in Rossi's hometown that involves both his personal and professional lives.
