The BAU travels to Rapid City after two male victims are found murdered in a ritualistic manner. Also, Reid continues to grieve over Maeve's death.
- Angela Bettis - Tess Mynock
- Jody Carter - Old Woman
- Claudia Christian - Agent Gretchen Stern
- David Hoflin - Chad Dumont
- Cooper Huckabee - Raoul Whalen
- John Kerry - Eli Grohl
- John Mawson - Waiter
- Kate McDaniel - Amber Moxley
- Adam Nee - Joseph Purl
- Calliope Porter - Voluptuous Woman
- John Posey - Detective Tom Landry
- Beth Riesgraf - Maeve Donovan
- Ed Zajac - Cowboy
- "Sleepwalk" by Santo & Johnny
- David Rossi: "Dreams are true while they last, and do we not live in dreams?" — Alfred Lord Tennyson
- Spencer Reid: J.R.R. Tolkien wrote, "I will not say do not weep, for not all tears are an evil."
- John Posey, the actor who portrays Detective Tom Landry, also played Principal George Spurell in an episode of the short-lived Criminal Minds spin-off, Suspect Behavior.