Lydia Hull

The series follows Southern California's elite rescue task force, SAF3 (pronouced "safe") , consists of the cream-of-the-crop from the sea, air, and fire divisions of the Malibu Fire Department. They are the heroes who answer the most challenging calls; specialists who collaborate, coordinate, and initiate daring rescues in the most dangerous venues to save human life, always aware of the harsh reality that one of them may not return.

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.