Bron's favourite patient Bob Parkin is back in the ward with pneumonia. He is stunned and disbelieving when told his illness is probably HIV related, and he refuses to have an HIV test. Nor is he forthcoming on the possible source of the infection, and Bron suspects he genuinely doesn't know. Bron makes it her personal mission to convince Bob to have the test, so he can take advantage of the latest therapies and treatments. However, her job is not an easy one as he has adopted an ostrich approach. Bron learns about Bob's long lost ex-lover and sensing she might be able to shed some light on his illness, tries to track her down. Meanwhile, Luke assists in performing a laparotomy on Margaret Quinell. She has several tumours and the consultant is convinced it is terminal cancer. Luke is ordered to break the news to Margaret, even before the results of the biopsy come through. He's surprised however, when Margaret is philosophical about dying, as it means she can join her late husband. Ma