The Late Edwina Black (1951)

Plot

A frail Victorian woman’s unexpected death sparks intrigue when a postmortem uncovers deadly arsenic in her system. Her husband and his secret lover become the prime suspects in this chilling case. As tensions rise and motives unfold, Scotland Yard's Inspector Martin delves into the mystery, piecing together clues in a most British manner—over a cup of tea. A blend of suspense and dark humor, the investigation unravels the tangled relationships and hidden secrets surrounding Edwina Black's untimely demise.