With the writer Dieter Roth, one of the most significant artists of the 20th century, in the Schimmelmuseum in Hamburg, in the Roth Room in Basel, in Iceland, and at the restaurant Chez Donati in Basel. Four episodes from the lasting friendship between Erika Streit, Beat Keusch, and Dieter Roth reveal the artist's many and different facets. The book to be issued in October 2021 contains many yet unpublished photographs and documents.