Die schwarze Kugel oder Die geheimnisvollen Schwestern
Two sisters get a letter from their third sister just after coming from the third sister's funeral. It informs them that a nobleman has ruined her life and is responsible for her death...
- Genre: Drama
- Studio: Luna-Film
- Keyword: silent film, short film
- Cast: Paul Meffert, Mia Cordes, Manny Ziener, Ernst Pittschau