Robin, Ted, and Barney go to a hot new club, leaving the engaged Marshall and Lily to a more adult, albeit boring, evening of wine tasting.
Romantic sparks begin to fly when Patrick Jane and supposed psychic Kristina Frye (guest star Leslie Hope) cross paths again during the CBI investigation into the murder of a charismatic head of a non-profit organization that fights human trafficking.
A woman in an open marriage suddenly becomes ill during a date with her boyfriend; House tests Wilson and Sam's relationship.
The BAU leads the investigation into a string of murders taking place in supposedly haunted houses in Lewiston, Maine.
Carrie asks Doug to be an expert witness at her boss' trial, but then doubts her decision. (TV-PG)