Back in the 1970s there were a LOT of detective shows and some nostalgia shows. The Manhunter was a detective show AND a nostalgia show. Dave Barrett was a private investigator. Actually, the show might have had a lot of stuff implanted into it, like the term "private investigator", from the 1970s and thus been somewhat unauthentic for the 1930s. Dave and his folks had a grain-and-potato farm in Idaho, as I recall. Kind of the middle of nowhere to be a private investigator. But Dave went to Kansas and Colorado and other places where there was crime. In one episode, Dave worked for a trucking company in Kansas to stop hijacking by a gang of criminals. In one episode, Dave and some locals were barricaded in a general store by a gang of criminals. One criminal decided to smash into the general store with a steam roller. Dave made a bomb to stop the steam roller. In one episode, Dave's father was pinned under his overturned Fordson and was taken to the hospital. Unfortunately, there was a gang of criminals at the hospital....