Released around the anniversary of Princess Diana's death, this program steps back from the usual tribute format to ask what she actually changed. Historians and commentators trace her influence across three strands: the political pressure she put on the British monarchy to modernize, the social causes she attached herself to, including landmine clearance and HIV/AIDS stigma, and the shift in how the public and press relate to royal figures afterward. Archive footage of her public appearances and interviews sits alongside expert commentary building out the argument that her death accelerated changes already underway inside the palace. Rather than replaying the crash and the funeral as the emotional centerpiece, the film treats them as the hinge point in a longer story about an institution forced to adapt. It is framed less as a retrospective on a life and more as an assessment of what outlasted it, in royal protocol, charity work, and public expectation.