The BAU team races to help Hotchner find The Reaper and save his family before it's too late.

When a series of tornadoes hits Kansas, the BAU is called in to investigate bodies of young boys that turn up in the aftermath of the storms. Also, work pressures cause tension on JJ's home front.

When the BAU goes up against a gang of serial-killing bank robbers in Washington, D.C., the team tries to negotiate the situation unfolding inside the bank, but the stakes rise when one of their own becomes a hostage.

As the BAU team continues to pursue the bank-robbing serial killers, the team determines that the suspects have a bigger target in the Nation's capital, and with one of the team still a hostage, they must work quickly to diffuse an explosive situation. Also, wedding bells ring for one of the BAU, and Prentiss ponders her future.

The team heads to Oregon as four men have gone missing.

When prostitutes in Miami are discovered murdered in a similar style to local animals found dead there, the BAU must work fast to find an unsub whose confidence is quickly escalating. Also, Morgan tries to increase Reid's athletic skills by convincing him to join the bureau's softball team.

The BAU travels to Los Angeles looking for an UnSub who is kidnapping nannies and the children they care for on the same day each year.

When JJ is kidnapped, the BAU delves into her time at the State Department to find clues to her disappearance and uncover a secret mission that now puts her life in danger. To help with their search for JJ, the team calls upon Prentiss to help in the crisis

The BAU is stumped to find the common denominator among male victims in Montana, making in difficult to profile the UnSub. JJ confronts her feelings about her sister's tragic death.

The BAU is shocked when Hotch is apprehended by a SWAT team and suspected of conspiracy, and as the team scrambles to prove his innocence, they suspect a larger plot is on the horizon.

When JJ arrives home shaken after a rough case, she breaks down and tells her husband about the abduction of two children.

The BAU investigates a spooky local ghost story of the 'Tall Man' and the clues it provides when two people go missing in the woods of East Allegheny’s Dead Man’s Conservatory, and a third mysteriously surfaces the following day with limited details as to what happened to her friends. To assist with the case, JJ reluctantly returns to her hometown, triggering emotional flashbacks to age 11 and her older sister’s tragic death.

With a member of the BAU in the hospital, the team searches for Everett Lynch, and his daughter, Grace. Also, Spencer has a meaningful visit with his mother, Diana Reid, while she’s experiencing a period of lucidity.

Voit’s internal struggles with himself lead him to a desperate kidnapping. But Rossi’s obsession brings the BAU closer to the truth than they’ve ever been.