Charity Gala Imposter Exposed

Scene: Top-tier charity gala — the highly acclaimed daughter of a pianist is performing.
Motivation: A woman with a disfigured face, sitting in a wheelchair, is pushed onto the stage. She publicly exposes the glamorous "socialite" on stage as an imposter who stole her life years ago and attempted to kill her in an act of arson.
Visuals: (Ensure characters do not resemble any celebrities; use realistic but non-existent individuals)