Simon Cotton as Ronnie Kray and Kevin Leslie as Reggie Kray , picks up the story of the infamous Firm as the sanity of the two brothers bring uncertainties to the there business plans . now with their empire in place, the brothers must now fight to keep hold of both as the obsession of one police officer becomes undeceived by the dangerous state of mind for Reggie and Ronnie respectively.Simon Cotton as Ronnie Kray and Kevin Leslie as Reggie Kray , picks up the story of the infamous Firm as the sanity of the two brothers bring uncertainties to the there business plans . now with their empire in place, the brothers must now fight to keep hold of both as the obsession of one police officer becomes undeceived by the dangerous state of mind for Reggie and Ronnie respectively.