Georg Hermes, a gaunt man in his mid-thirties from West Berlin, is a philosopher. He did his doctorate on Heraclitus' saying "Everything flows". The polite, unworldly man, completely absorbed in books, lives alone eight years after the death of his mother, can neither swim nor drive a car. The publishing house Vittorio Klostermann has printed his book "The Love of Wisdom. Eine Anleitung zum Denken" (The Love of Wisdom. A Guide to Thinking), and in a few days he is to give a reading. He wants to buy a good suit for this and enters a fashion shop. The three saleswomen he meets there follow him and attend the reading. Afterwards, Franziska, Beate and Martha introduce themselves to him and invite him, whom they adore, to their home for Sunday... "Der Philososph" is the second part of Rudolf Thome's "Trilogy of Love", which began with "Das Mikroscop" and ended with "Sieben Frauen".