XVII International AIDS Conference in Mexico City. Interview with three pioneers in the HIV/AIDS response - Dr Mervyn Silverman, Dr Paul Volberding, and Dr Lars Olof Kallings. They talk about the history of the AIDS movement.

Dr Robert Gallo is interviewed in the laboratory about the HIV virus and his ongoing work. He also talks with his team and discusses the question of international collaboration with Lars Olof Kallings. He answers questions about HIV and AIDS, drugs and promiscuity.