The Guyra Ghost Mystery
The Guyra Ghost Mystery is a 1921 Australian film written and directed by John Cosgrove. It was based on the reallife 1921 mystery of the Guyra Ghost.
In Guyra, New South Wales, the Bowen family are visited by ghosts. Sherlock Doyle, an expert in ghosts, goes to the town to investigate.In April 1921, the family of William Bowen in Guyra reported knocking on the walls and stones being thrown on their roof. This continued even when police and volunteers guarded the house. One of the children later confessed to throwing some stones and it is through that practical jokers were behind it, but the mystery was never completely solved. ........
Source: Wikipedia