All reassess their personal lives after witnessing a chance reunion between two long-lost lovers in the emergency room; Karev treats a troubled teen; Meredith shares her suspicions with Cristina.
The BAU pursues Billy Flynn, who has kidnapped Det Spicer's daughter and continues his murder spree throughout the city of Los Angeles.
When Los Angeles is swept by a series of blackouts, a serial killer uses the cover of darkness to commit murders.
Jane and Maura investigate when a famous competitive bass angler is murdered.
Melinda meets the family of a girl who has been kidnapped. She believes that they are being fooled by a psychic who is telling them lies about the missing girl.