![Roland Culver](http://image.tmdb.org/t/p/w92/qY2L27YM9Iq2IFz4Dx4dmLBjCbN.jpg)
When a sickly Victorian woman dies suddenly, a postmortem reveals that her body contains a fatal dose of arsenic. Suspicion falls on her husband and her companion, who are lovers. Inspector Martin of Scotland Yard solves the mystery of her death, over a cup of tea.