 In London , Angier debuts The Real Transported Man where he vanishes within the machine 's electrical field and appears atop the balcony at the back of the hall . Baffled by the trick 's success , Borden sneaks backstage to find Angier 's secret , only to witness Angier drop through a trap door and plunge into a waiting water tank , where he drowns . Cutter stumbles upon the scene , and Borden is arrested . 
