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.
Working from his home in a converted windmill, Jonathan Creek is a magician with a natural ability for solving puzzles. He soon puts this ability to the use of solving impossible crimes and mysterious murders.
A British inspector is transferred to Saint-Marie's police department, but he hates the sun, sea, and sand. The series follow his investigations into murders on the island. Later series see another British DI head the investigative team.
An oddball couple of private detectives named Luella Shakespeare and Frank Hathaway investigate crime in Stratford-upon-Avon.