The BAU is called to Rapid City when two victims have been killed in a ritualistic manner, and Reid continues to struggle with Maeve’s death.
The investigation into a farmer's apparent murder is complicated by his life insurance policy. While Branch and Cady travel to Denver to search for a lead that might help Henry's case, Vic is given an ultimatum by Sean.
Despite Miss Beadle's continued kindness and effective teaching, the school board calls an emergency meeting as her deteriorating classroom management hits an all-time low. It is agreed that a male teacher will be hired in her place, but the mean-spirited Mr. Applewood immediately clashes with Laura, blaming her unfairly for several incidents in the classroom.
Gang Detectives Sammy Bryant and Nate Moretta have their work cut out for them when an unidentified female is found dead in the middle of a Los Angeles alley -- and her body is being used for target practice by gang members. The tension mounts for Nate when his little sister disappears revealing a secret from his past that blindsides Sammy. Elsewhere, Detective Russell Clarke is offended by Lydia's suggestion that he was too personal during a consult with a victim's sister.
When the CSI team investigates three seemingly unrelated murders, they discover someone is getting revenge for cold case murders that were never solved. (TV-14)
