Portrait of an obsession is a tribute - not a biography? -? to the American photographer Diane Arbus. Arbus (1923 - 1971) is for many one of the most important artists of the twentieth century. "Portrait of an Obsession" is a tribute to a brilliant artist who challenged conventional ideas about beauty and ugliness and forever changed photography through her technique and radical themes.
El dramatic film is based on the controversial love story between a reporter and her neighbor, an arrogant guy who takes her into the underworld and leads her to meet all kinds of outsiders.
Of the best of the film we must highlight the couple of main actors, a Nicole Kidman which, without being his best film, fulfills perfectly and a brilliant Robert Downey in his role as neighbor and loving partner of the photographer.