It's a day of disturbing realizations when Mitchell manages to ruin one of Jay's proudest golf moments, Phil overhears something that may forever change how he sees his little girl, and Gloria stumbles upon Claire's dangerous little secret.
Jess panics when her sister, Abby, decides to stay in Los Angeles and sets her eyes on one of the loftmates. Meanwhile, Winston procrastinates about checking his test results for the LAPD entrance exam.
The BAU joins the manhunt in Sherwood, Nevada, to catch a serial killer who conceals the manner of his crimes by staging car accidents.
Frasier pulls off a daring theft.
The death of a young botanist leads the CBI team into the lucrative world of medical marijuana, while Cho's work with the rapid response team brings him back into contact with his former girlfriend and confidential informant, Summer Edgecombe (returning guest star Samaire Armstrong).