
An elite squad of FBI profilers analyzes the country's most-twisted criminal minds, anticipating the perpetrators' next moves before they can strike again. Each member of the "mind hunter" team brings his or her expertise to pinpoint predators' motivations and identify emotional triggers to stop them. The core group includes an official profiler who is highly skilled at getting into the minds of criminals, a quirky genius, the former media liaison who manages to adeptly balance family life and the job, and a computer wizard.

The investigation of a series of bludgeoning attacks in Philadelphia leads the team to the city's boxing scene; Hotch connects with a fellow runner while training for the triathlon.

The BAU team is called in to investigate when male bodies are discovered that seem to be impossible to identify.

A series of murders makes the team wonder if a notorious killer has returned; Reid wonders if he could be doing more with his abilities.

Emily looks to the BAU for help when tracking an international serial killer; the BAU deals with Morgan's departure.