Ein Fall für zwei is a German television series, which premiered on 11 September 1981 on ZDF. The series, set 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 portrayed the role until 2013.