The residents of Seattle Grace and Mercy West vie for their careers as the hospital merger begins; Arizona stands by enraged Callie when Callie's father employs a priest to help convince her to date men.
When an art dealer is shot in his gallery, Castle and Beckett figure out that a bullet is missing from the crime scene.
David and Keith find their resort vacation to be different than advertised; Ruth goes on a shopping excursion with Bettina; Claire gets a lesson in sick art.
Fisher & Sons becomes Fisher & Diaz; David and Keith decide to go to couple's therapy; Ruth becomes obsessed with her granddaughter.
Booth interrupts Brennan's vacation with her boyfriend (Eddie McClintock) to get help with the case of a woman whose boneless body was found in a river.