It's not unusual for the lyrics of a song to not have any meaning. Music first, then stick words in to fit. Lyrics with unclear meanings also serve the purpose of attracting attention by getting people thinking about the lyrics and therefore the song.
As for the TV series, the original was decades ago and was about an author who wrote murder stories and was an amateur detective (who solved all the cases, of course, because it's TV land).
As for the TV series, the original was decades ago and was about an author who wrote murder stories and was an amateur detective (who solved all the cases, of course, because it's TV land).
