Watson, proving her growth as a partner, discovers a rare yellow pigment at the site of Irene's captivity. Her investigation leads to a man named Duane Proctor, but the brothers they encounter seem to have no connection to the kidnapping—and strangely, Irene doesn't recognize them.
In the penultimate episode of Elementary's first season, titled " The Woman ," the story shifts from a typical procedural to a deeply personal thriller when Sherlock Holmes's tragic past suddenly becomes his present. The Reappearance
As Sherlock prepares to flee with Irene to protect her, he notices a critical discrepancy: a birthmark on her back that he remembered from London has disappeared. Realizing she underwent a surgical procedure that a prisoner could never access, Sherlock realizes she was never a captive. Assessing Elementary's Irene Adler (docx) - CliffsNotes
Sherlock, overcome with guilt and disbelief, abandons his current investigations to become her sole protector. While he stays by her side at the brownstone, he leaves to handle the detective work alone. The Investigation