Police investigate when the frozen corpse of a missing woman is discovered at a construction site; Beckett must confront some difficult memories.
The BAU team must delve into Morgan's past to prove his innocence when he is arrested on a charge of murder in Chicago.
Dr. Crusher's abduction by a radical terrorist group thrusts the crew into an explosive civil war on Rutia Four.
Lilly investigates the 1990 murder of a church organist who was found in an alley surrounded by crack vials and racy magazines.
