Documentary taking a look at Diana, Princess of Wales' devotion to charity work and good causes, including the moment in 1987 when she made headlines by shaking hands with an Aids patient. But was her compassion a genuine attempt to change the world or a push to change her public image? Former private secretary Patrick Jephson, butler Paul Burrell and bodyguard Ken Wharfe are among those exploring the nature of Diana's charity work and her fragile state of mind as her marriage disintegrated.