The Dark Hour (1936 film)

The Dark Hour is a 1936 American film directed by Charles Lamont.

Elsa also doesnt know that retired Police Detective, Paul Bernard Berton Churchill, has been on the trail of her Uncle Charles and the Butler for years, or that others might have their own motives for the murder.Things then start to look bleak for Elsa when the murder weapon and a disguise are found in her room. ........

Source: Wikipedia