The BAU is stumped to find the common denominator among male victims in Montana, making it difficult to profile the UnSub. Also, JJ must confront her feelings about her sister's tragic death. Candy Clark guest stars.
Team Scorpion must help Ralph when the FBI questions him after his dark web game play inadvertently reveals the location of a CIA safe house and results in the murder of CIA operatives.
As Boyd (Walton Goggins) and Ava (Joelle Carter) attend a sex party to look for a missing drug pilot, a fugitive murderer draws Raylan (Timothy Olyphant) into a showdown.
Conclusion. Sister Jude digs up dirt on Arden. Later, Kit makes a surprising confession; and Bloody Face is unmasked.
Grissom and Sara investigate the murder of a woman after a swap party where the married couples in the neighborhood meet and switch partners.
