"The Keeper of the Door" by Ethel M. Dell is a novel written in the early 20th century. The story revolves around Olga Ratcliffe, a strong-willed and intelligent young woman, navigating her feelings and conflicts with Dr. Maxwell Wyndham, an enigmatic figure who serves as her father's medical assistant. As they engage in a battle of wits, tensions arise from their mutual dislike, fuelled by differing personalities and worldviews, setting the stage for deeper connections and character developments. At the start of the novel, we are introduced to the dynamics between Olga and Nick, her half-brother. Their playful banter reveals Olga’s strong opinions about Dr. Wyndham, whom she detests for his perceived arrogance and sarcasm. As their interactions unfold, the tension escalates when Olga inadvertently injures Max and is forced to confront him in a medical procedure, highlighting her vulnerability alongside her fiery spirit. This opening section establishes a vivid backdrop of character motivations and relational dynamics, foreshadowing how their complex emotions may evolve as the story progresses. (This is an automatically generated summary.)