The BAU investigates when a prisoner escapes and starts leaving behind victims with his unique trademark; the team gets to know its newest member.
The murder of a crime tech shocks the team; Maura is suspended from her position; Jane is determined to catch the killer and clear the department so Maura can be reinstated.
Olivia, Walter and Peter find a robbery suspect trapped inside a vault as if the wall had solidified around him.
Detectives discover that the body of a young woman, found murdered in her apartment, is that of a lawyer who secretly moonlights as a stripper.
Logan and Wheeler must determine whether the kidnapping of a popular video blogger and her boyfriend, seen online, was real or staged.