Quick Plot Summary: Released in 1931, Black Coffee is a Crime, Thriller, Mystery film directed by Leslie S. Hiscott, written by Brock Williams. The narrative dives into the criminal underworld with a grounded sense of realism and complex morality. As part of the Hercule Poirot (Austin Trevor) Collection, it provides a scannable look at the movie's central conflict involving Austin Trevor as Hercule Poirot.