In the seventeenth century, Catherine Lapeyre was wrongly accused of being a witch according to the register of the bishopric of Agen France. She was juged and found guilty by a College of Ecclesiastic and beaten to death. Catherine Lapeyre raised from the dead. She is lost in the space-time without knowing how she came back to Earth, a wasteland. She walks and walks through the country and just finds ruins, but never find any human beings. She wanders and feels terribly alone.

Loosely inspired by Edgar Poe. A mixture of darkness, melancholy and evanescence, a disturbing atmosphere surrounds Lady Usher's Diary. This slow and feverish melodrama...

A few enigmatic characters evolve in a depopulated village in the South-West, blurring temporal markers and making shots resurface cyclically; adopting an impressionistic montage which breaks the linearity of the story.