Lobo Sebastian

While Sergeant Benson balances her work with being a foster mother to baby Noah, a colleague makes an arrest that could put everyone in danger.

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.

Jax, Clay and the boys deliver the first shipment of weapons to the Galindo cartel while Gemma forms an unlikely alliance in Charming.

A deceased man is spotted overboard during a Coast Guard and NCIS training exercise at sea, and Gibbs winds up on a vessel commandeered by pirates.

Grissom and his team investigate a five-year-old's death by starvation, while Catherine and her team try to find out who killed a prisoner in a holding-cell brawl.

Sawyer discovers just how far his captors will go to thwart any plans of escape he and Kate might have, and Jack is called upon to scrub up in order to save the life of one of "The Others." Meanwhile, Desmond's behavior begins to perplex the survivors when he starts construction on an unknown device.