Count de Faber is working on a new type of explosive, but finds out that Professor Plussman has beat him to it. After an unsuccessful attempt to acquire the formula from Plussman, he breaks into the professor's house, steals the formula, and kidnaps his daughter, Mary. He takes her to Carlsten Fortress.

Das Phantom der Oper was a 1916 silent film. The film, also known as Das Gespenst im Opernhaus, is notable for being the first film adaptation of the 1910 novel The Phantom of the Opera by Gaston Leroux. The film is now believed to be a lost film. No copies, photographs or even a poster of the film remain. All that is known is that it was made in Germany in autumn 1915, directed by Ernst Matray, starring Nils Chrisander as the Phantom and Aud Egede-Nissen as Christine, and Raul played by director Ernst Matray.[1]