"Harmonica" is a relationship drama in five parts filled with music. The series is directed by Josephine Bornebusch who wrote the script together with Jonas Karlsson. The duo also plays the main roles.

"Harmonica" is about the married couple Harry (Jonas Karlsson) and Monica (Josephine Bornebusch). The couple were front figures in the country band 'Harmonica' which was a great international success in the late 90's and early 00's. Now their careers have long since passed the zenith, they are broke and the marriage is falling apart.