The Lighthouse begins on a North Sea ferry, on whose blustery outer deck stands Futh, a middle-aged, recently separated man heading to Germany for a restorative walking holiday. Spending his first night in Hellhaus at a small, family-run hotel, he finds the landlady hospitable but is troubled by an encounter with an inexplicably hostile barman. In the morning, Futh puts the episode behind him and sets out on his week-long circular walk along the Rhine. As he travels, he contemplates his childhoo...