On their return, Martha falls ill with pneumonia from the rain and the cold on the boat. Dreyer leaves early next day to finalise his deal in Berlin and Franz is too clueless to get Martha medical help in time.
Martha becomes unwell after returning from their journey due to the adverse weather on the boat, leading to her contracting pneumonia. Dreyer departs early the next day to finalize his deal in Berlin, leaving Franz unable to provide timely medical assistance for Martha.