Onahoua Rodriguez

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.

When the CIA informs McGarrett that his mother has gone rogue on her undercover mission and may have killed her partner, Steve goes to Mexico to bring her home and prove her innocence.

Nancy follows the tunnel in the back of the maternity shop and sees something she shouldn't see at the other end. Dean takes a new job leaving Isabelle to live with Celia. Meanwhile Silas flirts with Lisa.

Lilly receives a home movie in which a runaway teen is apparently shot and killed, prompting her to take another look at the 1979 case.

Celia's family and friends arrange an intervention for her. Nancy gets a migraine from finding out that there is another use for the tunnel. Mexicans find Maria. Shane tries a threesome with Harmony and Simone. Silas pines after Lisa.

Nancy makes a risky deal with Capt. Till. Celia has a revelation. Maria comes on to Andy even though Doug may have her deported. Nancy wants to hear Esteban say it . Shane secretly keeps hanging with Harmony and Simone.