While investigating the murder of a bike messenger, Castle and Beckett are forced to uncover the scandals and secrets of a prominent family.
Residency Director Dr. Leanne Rorish (Marcia Gay Harden) puts her four new first year residents to work immediately on their first day at Angels Memorial Hospital, in the busiest, most notorious hospital ER in the nation.
The unsolved 1977 case involving the death of Philadelphia doorman Mike Cahill is reopened when Rush and Valens try to link his murder to a serial killer about to be released from prison due to a legal technicality. The detectives uncover the unusual relationship between Mike and the serial killer, Roy Anthony.
Upon her release from a mental sanitarium, an heiress faces charges of murdering the accountant handling her trust fund.
Ben is surprised to discover that a reopened, 35-year-old murder case reveals familiar suspects.
