Yvonne is seething when her devoted son, Michael, declares his intention to marry Madeleine, despite the latter's admitting to having an affair with a mysterious older man. At the same time, George, Michael's father, confides in Yvonne's sister, Leo, that he is in fact Madeleine's other lover. Together, they hatch a plot to end Madeleine's hopes of marriage - by threatening to reveal George's scandalous secret to his son.
Yvonne is seething when her devoted son, Michael, declares his intention to marry Madeleine, despite the latter's admitting to having an affair with a mysterious older man. At the same time, George, Michael's father, confides in Yvonne's sister, Leo, that he is in fact Madeleine's other lover. Together, they hatch a plot to end Madeleine's hopes of marriage - by threatening to reveal George's scandalous secret to his son.
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.
Following her father's death, a teenage heiress moves in with her guardian uncle who is broke and schemes to murder his niece for her vast inheritance.
