FBI agent Barney Coopersmith is assigned to protect former Mafia figure turned informant Vincent Antonelli. In the witness protection program one is supposed to keep a low profile, but that is something that Antonelli has trouble doing. Coopersmith certainly has his hands full keeping Antonelli away from the Mafia hitmen who want to stop him testifying, not to mention the nightclubs...
Columbo is a friendly, verbose, disheveled-looking police detective who is consistently underestimated by his suspects. Despite his unprepossessing appearance and apparent absentmindedness, he shrewdly solves all of his cases and secures all evidence needed for indictment. His formidable eye for detail and meticulously dedicated approach often become clear to the killer only late in the storyline.
Murphy Brown (Candice Bergen) is a recovering alcoholic who returns to the fictional newsmagazine FYI for the first time following a stay at the Betty Ford Clinic residential treatment center. Over 40 and single, she is sharp tongued and hard as nails. In her profession, she is considered one of the boys, having shattered many glass ceilings encountered during her career. Dominating the FYI news magazine, she is portrayed as one of America's hardest-hitting (though not the warmest or more sympathetic) media personalities.
Widowed pediatrician Harry Weston is a miracle worker when it comes to dealing with his young patients, but he's more challenged by the other people surrounding him: daughters Barbara and Carol; his wisecracking office assistant, nurse LaVerne Todd; and obnoxious neighborhood mooch Charley Dietz. Thank goodness he always finds a friendly shoulder (and a warm, wet tongue) in Dreyfuss, his enormous dog.