The Light Harvester is set in a post-apocalyptic world shrouded in darkness, where light is rare and valuable. Troy needs light to heal his wife, Anna. On the brink death, they come across an old Light Harvester. Troy commits the ultimate sin of stealing light and the tools to harvest it so they can trade for supplies. They setup home for Anna to heal in the light while Troy harvests. He becomes increasingly obsessed with his responsibility and the light itself. He confines Anna although her bones are now free from rickets. Troy comes across the body of the man he robbed and his mistakes soon dawn on him, but it might be too late to save his wife from the effect of the light.