Castle and Beckett confront the possibility of paranormal foul play when a world renowned ghost hunter is mysteriously murdered while investigating a haunting at a legendary New York mansion.
Zoe discovers something shocking about the local minister and his wife, causing quite a stir among the residents of Bluebell. Lemon is determined to find the funds to renovate the town’s historic bridge that was destroyed by Hurricane Katrina, but first she is put in the extremely awkward position of having to convince Lavon to choose her proposal over so many other worthwhile submissions.
Stephen unveils Colbert Super PAC's message, Frank Luntz conducts a focus group, and GOP presidential candidate Jon Huntsman talks about fixing America.