Behind the Curtain is a 1924 American silent mystery crime film directed by Chester M. Franklin and starring Lucille Ricksen, John Harron and Winifred Bryson.
[1] It was based on a story by William J. Flynn, a former Director of the Bureau of Investigation.
[2] Hugh, the son of wealthy George Belmont, elopes with the sister of his father's mistress Laura.
The furious George breaks off with Laura, believing she orchestrated the whole thing, and tries to buy off his new daughter-in-law Sylvia.
When George is then found murdered, Laura is a natural suspect although Professor Gregorius, a fake spiritualist, is also in the frame.