After a terrible date, Raj vows to never leave his apartment again. Meanwhile, Penny actually impresses Sheldon with her acting skills.
Castle tries to protect Beckett as she pursues the man who shot her; the 12th precinct is forever changed as feelings and secrets are revealed.
With Rebecca again tasked with defending ACN in a possible lawsuit, Will tries to protect Neal from the fallout over the DOD leak. Charlie and Leona enter the fray of a hostile-takeover gambit involving Reese's half-siblings, Blair and Randy Lansing. Sloan fears Don may be guilty of cashing in on insider information; Maggie ponders the ethics of eavesdropping; Hallie pays a price for a late-night tweet.
Spencer is finally ready to talk, but Emily is not so ready to accept what she has to say. Will she heed Spencer's warnings or will Emily go off to find her own answers down a path "A" has designed for her?
When a popular off-duty police officer is slain during a robbery, the CSI team tries to elicit the truth from their suspects.
