When someone hacks Sheldon's online gaming account, the guys go on a quest to find the culprit.
When a young woman is shot to death, Beckett and Castle learn the gun used was the one a serial killer stole from Detective Ryan.
When Jerry begins to shower "Maxine" with special attention, both Alex and Justin become jealous.
NCIS searches for new leads after an undercover operation to apprehend a businessman who uses acts of terror to manipulate the stock market is compromised. Also, Bishop and Qasim (Rafi Silver) find a break in the case together.
Juliet is forced to reveal some startling news to Jin when Sun threatens to move to Locke's camp.
