When he tests positive for arsenic, Carl suspects it's his wife who's trying to poison him. But she falls victim to a deadly cup of coffee herself. watch
After Carl Borden sees a doctor, he discovers traces of arsenic in his body. Carl begins to suspects his wife Annette. Later, Annette drinks a cup of coffee and dies. The doctor informs Carl that she too has arsenic in her system. She must have poisoned herself by mistake. Or did she? watch
An adulterous husband, a dog and arsenic -- sometimes there is such a thing as a perfect murder. watch