Overview
The Chink in the Armour is a 1912 novel by the British writer Marie Belloc Lowndes.
Film adaptation
In 1922 it was made into a British silent film The House of Peril directed by Kenelm Foss and starring Fay Compton.
References
Bibliography
Goble, Alan. The Complete Index to Literary Sources in Film. Walter de Gruyter, 1999.
From Wikipedia (CC BY-SA 4.0).