Mitchell manages to ruin one of Jay's proudest golf moments. Phil overhears something that may forever change how he sees his little girl. Gloria stumbles upon Claire's dangerous little secret.
The BAU joins the manhunt to catch a serial killer who conceals the manner of his crimes by staging car accidents.
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 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).
Desperate to add some excitement to his life, Frasier does something completely out of character.