Ronald D. Stall, professor focusing his work on AIDS and behavioral research, talks about the behavior changes within the homosexual community in the Castro District which had one of the highest HIV prevalences in North America in 1988.

XIX International AIDS Conference. Session "Gender and Science: Shifting the Paradigm in HIV Research" discussing the inclusion of structural and biological gender factors as part of HIV research, and the participation of women living with HIV in clinical trials.

XIX International AIDS Conference in Washington D.C. Memory session of the AIDS activist Robert Carr, discussing discrimination of women, MSM, sex workers and drug users as well as people living with HIV/AIDS, and tributing Robert's work and friendship.

XIX International AIDS Conference. Interview with Phil Wilson, founder of the Black AIDS Institute in Los Angeles. He talks about the HIV prevalence in the US and its socioeconomic factors, about stigma and discrimination against homosexual persons.

XIX International AIDS Conference. Paul Nsubuga Semugoma from the Global Forum on MSM and HIV, talks about the situation of men who have sex with men in Uganda and how stigma and discrimination interferes with the work to prevent HIV and end AIDS.

Cutaways from a march against homophobia, stigma and discrimination in Mexico City. A woman shows a book called Homophobia written by the author Fernando del Collado. She tells about the book.

Cutaways from a demonstration against homophobia, stigma and discrimination during the International AIDS Conference in Mexico City in 2008. March and speakers.

Cutaways from a demonstration against homophobia in Mexico City in connection with the International AIDS Conference. Interviews with Swedish HIV/AIDS activist Jan Nola Morfeldt among others.

Cutaways from a demonstration against homophobia in Mexico City during the time of the International AIDS Conference.

Interview with Moises who has been working with HIV prevention since 2000. Here he tells about the Mexican NGO AcciónH and the condom promotion they do in gay bars in Mexico City.

Hector is a gay activist involved in the prevention work towards young LGBT persons in the Zona Rosa district in Mexico City. He talks about gender roles and gay rights in Mexico and about a comic book which they hand out to young men in this square.

Young AIDS activist Ricardo Baruch talks about the international collaboration of youth activists and the AIDS situation in Mexico for LBGT persons and women in rural areas and developing countries. He also reflects on the International AIDS Conference.