This is a German version of Thornton Wilder's play, Our Town.
Theo Gromberg is a bon vivant, apparently with built-in guarantee to failure. Faithful to his side is his friend Enno, an Italian guest workers. Both have a dream: to which they want to get into the trucking business its own trucks.
Tatort is a long-running German/Austrian/Swiss, crime television series set in various parts of these countries. The show is broadcast on the channels of ARD in Germany, ORF in Austria and SF1 in Switzerland.