Patrick Jane, Agent Lisbon and CBI team investigate the death of a wealthy man who witnesses say was killed by a ghost haunting his mansion.

Charlie has a return engagement with Gail (Tricia Helfer), Chelsea's best friend; Alan has a surprising effect on a female patient.

The interns deal with a family involved in a car accident, Derek lets his emotions get the best of him, and Burke and Izzie make a new suggestion to Denny.

Hotch is arrested by a SWAT team and suspected of conspiracy; when the team members scramble to prove Hotch's innocence, they discover a larger plot may be on the horizon.

The BAU plays a dangerous cat and mouse game with a convicted serial killer who may have information on the whereabouts of two kidnapped boys.

When the assistant to Modern Fashion Magazine’s dictatorial editor Matilda King (guest star Frances Fisher) is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer. Meanwhile Beckett's history in the modeling world gets her access to a very special wedding surprise.

Sam Crow heads north to help Happy with a pharmaceutical favor in redneck territory. Gemma tries to put old family matters to rest.

The investigation leads Sarah and Holder deeper into the world of Seattle’s most privileged. Kyle eschews a St. George’s tradition and becomes afraid that his life is in danger. Sarah impulsively burns a bridge. Holder demands answers and gets caught in a lie.

Sarah makes the investigation personal when people from the past resurface, leaving Holder to wonder who he can trust. Colonel Rayne flexes her political connections as Kyle learns the truth about St. George’s Military Academy. Reddick uses his leverage.

When Violet files for joint custody of Lucas, Pete fights back, forcing friends and co-workers to choose sides.

A seemingly unstoppable Billy Miles begins killing scientists performing genetic research – then targets Scully.