AIDS patients in San Francisco General Hospital. Blood sample labels as the samples are mixed in their test tubes. Female in white lab coat looks at samples with her hands under a glass window. Her hands. Male laboratory technician looks at blood under a microscope. Four people, one female, talk and laugh around a man in a hospital bed. One of these, the doctor, talks about successful treatments he’s given while touching the man’s shoulder. Several nurses behind desk answer phone and talk. People, crowded, talk inaudibly in a hospital hallway.