After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
Zach's life is upended when performance anxiety in bed leads to a life-shattering accusation: his girlfriend says she thinks he's gay, and Zach wonders if she's right.
When Kelly's newborn baby is stolen from the hospital where she works, she teams up with Gloria, also a victim of baby abduction, to get her child back from a black market adoption ring.