Watch VoirFilms. Dorothea Mitchell – A Reel Pioneer recounts in Mitchell’s own words the amazing life of a pioneer filmmaker. Seventy years later a group of local enthusiasts in Thunder Bay, reinvent the silent pictures, by finishing “The Fatal Flower”,the murder mystery Dorothea had bequeathed to the national Archives of Canada. With no script to work from and some missing scenes, the group nurtured “The Fatal Flower” back to life.