Birthdate: 13 October 1914
Birthplace: New York City, New York, USA
Barnaby comes out of retirement to track down his son's murderer with the help of Betty, his son's widow. They continue the detective agency's work in Los Angeles, with the help of Barnaby's home laboratory and homey philosophizing.
A pair of plainclothes homicide detectives, Lt. Mike Stone and Inspector Steve Keller, cruise the streets of San Francisco solving a variety of crimes, usually involving murder.