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.
Sawyer discovers how far his captors will go to thwart his and Kate's escape plans; Jack must scrub up to save an Other's life; Desmond's behavior perplexes the survivors when he starts constructing an unknown device.
Larry get himself in trouble when he buys his housekeeper a bra.
A deceased man is spotted overboard during a Coast Guard and NCIS training exercise at sea; Gibbs winds up on a vessel commandeered by pirates.
SAMCRO makes a run to set up a new business venture while Gemma makes a new ally in Charming.