Elisa Frank, a troubled teenager with Borderline Personality Disorder, was groomed by Ahmad Otak in Wakefield, Yorkshire. In 2012, she escaped his extreme and violent behaviour and fled to her sister's flat. But he followed and brutally murdered Kimberley and Elisa's friend Samantha before her eyes, before abducting her and fleeing. The police caught him but Elisa then spent many months in psychiatric care, with PTSD and BPD, before being well enough to return to society.