The story follows a tumultuous period in the life of the Princess of Wales, beginning two years after her separation from Prince Charles. Living a relatively secluded life, she experiences the weight of her public persona and media scrutiny while navigating through personal struggles and her dedication to humanitarian causes. By chance, she crosses paths with a heart surgeon, Dr. Hasnat Khan, and is instantly drawn to his private nature and dedication to his work. Despite attempts to maintain a low profile, Diana's growing affection for Khan fosters a poignant bond that acts as a sanctuary from her oppressive fame.

As her relationship with Khan deepens, she faces the complex realities of balancing her public duties and private desires, challenging the conventional expectations placed upon her. Her secret efforts to support his medical ambitions and their shared vision of philanthropy draw them closer yet put immense strain on their relationship. Against the backdrop of relentless media attention and personal obligations, she earnestly seeks happiness and fulfillment. This journey traces her pursuit of love, identity, and significance in a world where every move is closely watched and extensively judged.