In a dark and mysterious London, a young woman named Ellen lives with her mother in a modest lodging that is shaken by a series of horrific murders. All the victims are young women with a disquieting resemblance to each other, creating a palpable atmosphere of fear in the city. As the police race against time to catch the feared killer, a new tenant arrives at the house: an enigmatic and attractive young man who shares the name of a notorious criminal.
As the murders continue, Ellen finds herself drawn to her tenant, despite her mother’s warnings and the growing suspicion that he may be involved in the crimes. The tension heightens when Ellen begins to realize that her fascination with the mysterious man could place her in grave danger. There is something intriguing about him, but also something she cannot help but question. With the police getting closer to uncovering the truth, the young woman is torn between her desire and her survival instinct.
The atmosphere grows darker as the number of victims rises and madness takes hold of the city. In a final twist, everything transforms into a game of cat and mouse, where loyalty, betrayal, and love intertwine in a desperate attempt to unravel the dark secret lurking behind the tenant's door. Will Ellen be able to uncover the truth in time?