"Lady Blue" is a crime drama TV series that aired from 1985 to 1986. The show revolves around Katy Mahoney, a tough, streetwise cop who is determined to bring justice to the criminals of her city. The show is set in Chicago and showcases the gritty underbelly of the city, with Katy often going up against organized crime syndicates and other dangerous criminals.

The show starred Jamie Rose as Katy Mahoney, a role that earned her critical acclaim for her strong portrayal of a female police officer. She was joined by other cast members such as Danny Aiello as Lieutenant Torello, a seasoned police officer who is often at odds with Katy, and Samm-Art Williams as Detective Ed Rice, Katy's partner on the force.

Despite its initial popularity, the show was cancelled after only one season due to low ratings. However, it remains a cult classic among fans of crime dramas and has been praised for its strong female lead character and its realistic portrayal of police work.