Sara Samson和Alan on the brink of their wedding, but William Hasskins is far from pleased. He seizes a train bound for London, relentlessly pursuing Sara, as she yearns to continue her marital journey. Hasskins resorts to intimidation, pushing Sara to the brink of despair, yet her pleas for help go unheeded, even by her psychiatrist. As her body begins to betray her, Sara's tale gains credibility, and her long-hidden secrets slowly come to light. This gripping tale of psychological terror delves into the complexities of a troubled mind, blurring the lines between reality and delusion.