The Horrible Dr. Hichcock

In the Nineteenth Century, in London, Prof. Bernard Hichcock is married with Margaretha Hichcock and they live in a house with their maid Martha. Out of the blue, Margaretha dies and Dr. Hichcock leaves his house with Martha and travels. Years later, he returns to London remarried with the young Cinzia Hichcock and meets Martha in the house. But soon Cinzia sees and hears strange things and feels uncomfortable at home. When Dr. Hichcock gives a glass of milk to Cinzia, she throws it off but keeps a sample in the glass. Then she asks her friend Dr. Kurt Lowe to analyze the milk, and he learns that there is a high quantity of poison. What will Cinzia and Dr. Lowe do?