Scotland Yard sends a handwriting expert to a country house full of people with guilty secrets in order to solve a murder.
Length 64 minutes
D.A. Clarke-Smith | Sunday Wilshin | Wilfrid Hyde-White | Dorothy Hamilton | Constance Godridge | Guy Belmore | Daphne Courtney | Donald Read | Alban Conway | Philip Hewland | William Collins | Charles Barrett | Graham Cheswright