Ein Fall für zwei is a German television series, which premiered on September 11, 1981 on ZDF. The series, located in Frankfurt am Main, features two main characters who solve crimes: a defense attorney and a private investigator. Josef Matula, a former German police officer, has gone into private business. His method of investigation is very effective and direct, and he sometimes even resorts to dirty tricks. Claus Theo Gärtner has portrayed the role since the start of the series.

Shortly before the outbreak of World War II: Leopold Trepper, a colonel in the Red Army, travels to Belgium under a false name and sets up a spy ring there. Together with his employees Viktor Sukulow-Gurewitsch, Johann Wenzel, Hillel Katz and Michail Makarow, he succeeds in establishing a spy network throughout Belgium and France in a very short time. With the help of his cover companies - a chain of raincoat shops and later the import-export company Simexco ”- Trepper can collect information from the economy and the Wehrmacht, about Atlantic Wall construction sites and railway lines, and send it to Moscow. The agents also get help from patriots who want to free their countries from the occupation by the Germans.

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.