J.P. Pitoc

Castle and Beckett investigate an art dealer that is shot in his gallery, but the bullet is inexplicably missing from the crime scene. To add to that, the only witness suffers from amnesia.

The residents of Seattle Grace and Mercy West fight for surgeries as day one of the hospital merger begins.

Nate's surgery was a success and now, seven months later, he's married to Lisa and they're raising their daughter Maya. Claire is now a student at LAC-Arts, Keith and David are in couples therapy, and Frederico is a partner in what is now called Fisher & Diaz.

Lisa makes a big decision without asking Nate, a decision that brings trouble. Ruth & Bettina are getting closer and Ruth is taking some of Bettina's advice, but not all of it is good. Claire & Phil's relationship changes for the worse, and David & Keith go on vacation.

When Melinda meets a nightclub waiter who has not played his guitar since his friend died, she finds that he is being haunted by two ghosts.

Fisher & Sons has an unannounced inspection which turns out positively for Federico. Meanwhile, Nate undergoes surgery for his AVM while his family anxiously await the outcome.