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.
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.
Melinda must help a former rock star who is terrorized by his father's ghost.
Melinda meets another ghost whisperer but begins to fear him when she discovers his connection to professor Payne's wife.