In the grimy, fog-laden streets of Victorian London, a young girl named Mayla who is down on her luck receives an unexpected offer from Adam Clarke after she miraculously saves his wife, Monica. Grateful and intrigued by her skills, Adam offers her a life-changing opportunity to become a forensic scientist under his tutelage. Eager to escape her dire circumstances, she accepts.

Under Adam's mentorship, she quickly adapts to her new role, unraveling complex cases and earning a reputation for her keen intellect and intuition. However, as she delves deeper into her work, she begins to notice unsettling patterns. The cases she investigates seem inexplicably connected, all pointing back to Adam and her newfound allies.

Haunted by suspicion, she embarks on a covert investigation of those around her, determined to uncover the truth. Balancing her secret quest with her professional duties, she navigates a web of intrigue and deception, all while maintaining the façade of a dedicated forensic scientist. As she digs deeper, she realizes that uncovering the truth may come at a perilous cost, both to her career and her life.