Otto is pressured by his former girlfriend Mila to marry her. His friend and colleague Franz gets him a new job at Bernhard Münchow's remote auto repair shop, where Otto is safe from Mila for the time being. But then he falls in love with Käthe, the daughter of the owner of the shipyard “Zum grauen Hecht,” and finds a bitter enemy in Ladewig, who is also in love with Käthe and who puts Mila back on Otto's trail. Mila, however, falls in love with garage owner Münchow, who is only interested in her supposed fortune...