In early 20th century London, Dr. John Pritchard, a skeptical and progressive-minded psychiatrist, finds interest in a young woman named Anna who displays deeply troubling behavior. Anna is the daughter of Jack the Ripper and witnessed her mother’s gruesome murder at his hands. Struggling with traumatic memories and inexplicable blackouts, she is unwittingly shaped by her father's brutal legacy. Dr. Pritchard, intrigued by Anna's complex psychological state and believing she can be cured, takes her under his wing with the hope of uncovering and resolving her deep-seated trauma.

As Dr. Pritchard delves deeper into Anna’s troubled mind, he faces a series of grotesque murders that suggest a darker force at play, possibly linked to her disturbing past. The psychiatrist grapples with skepticism from colleagues and law enforcement as he pieces together clues that may implicate Anna in these successive killings. His determination to save Anna leads him down a perilous path, fraught with moral dilemmas and danger. With each murder, the mystery around Anna intensifies, revealing the horrific extent of her father’s influence on her psyche and the ominous power inherited from her lineage.