Dr Selma Dritz tells the story of how the AIDS epidemic started in Los Angeles and San Francisco in the early 80's and how AIDS was connected to the gay liberation movement. She also talks about the government and community responses at that time.

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.