XVIII International AIDS Conference in Vienna. Interview with Richard Marlink, Professor at Harvard School of Public Health. He talks about a symposium on the history of HIV/AIDS and future strategies for ending AIDS, that was planned in Boston in 2011.

XVII International AIDS Conference in Mexico City. Jeffrey Sturchio, Vice President of Merck & Co, talks about the development of protease inhibitors in 1996 and the relationship between the activists and the drug industry.

4th International AIDS Conference in Stockholm in 1988. Australian Judge Michael Kirby estimates the prevalence of HIV/AIDS and talks about the scientific discoveries so far. He reflects on the moral issues connected with AIDS and talks about stigma and civil rights.