Watch Sommer, Sonne, Erika (1939) : Full Movie Online Free Actually, Erika and Werner wanted to take a pleasant boat trip on the Isar. But who would have thought what could happen during such a simple outing?! Werner Merk, who works as an engineer for a large car company in Munich, finds out, that the head of the firm, Director Feldmann, is spending his summer vacation at his house in the mountains. Werner up and decides to make his way their to introduce himself to Feldmann in a relaxed atmosphere.