The Dutch Wadden Sea, a vast expanse of mudflats that appears between the mainland and islands at low tide, is a peculiar environment. The Netherlands themselves seem to expand and contract with the tides, and unexpected high tides can quickly flood these flats, trapping hikers. In this desolate landscape of land, mud, and ocean, two people and their dog find themselves stranded. The film's only dramatic elements are the sea, wind, sand, and a solitary seagull, all rendered with a tactile, almost gritty realism.