Theo Müller and his family inherit a vintage car that turns out to have a wayward mind of its own, fixing the family troubles and some romances with a series of guardian angel and/or matchmaking shenanigans.

Theodor Müller
Else Müller
Elisabeth Ebert
Gräfin Donnersberg
Minna
Schindler
Michel
Schulze
Sartorius
Garagenmeister
Curt Vespermann
Onkel Ottokar Kühlfuß