After a serial killer imitates the plots of his novels, successful mystery novelist Richard “Rick” Castle gets permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
Season 5, Episode 14 Reality Star Struck

Also starring: Nathan Fillion, Stana Katic, Susan Sullivan, Jon Huertas, Molly C. Quinn, Seamus Dever, and Tamala Jones.

See more about Castle on ABC and IMDB.