Kerrie Keane

The team are forced to explore Morgan's past to prove his innocence when he is arrested for murder in Chicago.

Castle and Beckett investigate the murder of a woman found frozen and tangled in steel bars at a construction site. The case leads them to look into another, older case and reminds Beckett of events in her own past.

Lilly investigates the 1990 murder of a church organist who was found in an alley surrounded by crack vials and racy magazines.

DiNozzo gets overly involved in the search for a murder victim's missing sister.

A sorority pledging ceremony is disrupted by a troubled spirit, and Sam begins to doubt his relationship with Melinda.

Sipowicz and Sorenson investigate the robbery of an elderly couple, but become annoyed with a retired cop who tries to intervene.