A Scottish orchid farmer visiting her ill sister in Bogotá, Colombia, befriends a young musician and a French archaeologist in charge of monitoring a century-long construction project to tunnel through the Andes mountain range. Each night, she is bothered by increasingly loud bangs which prevent her from getting any sleep.

In a hospital, ten soldiers are being treated for a mysterious sleeping sickness. In a story in which dreams can be experienced by others, and in which goddesses can sit casually with mortals, a nurse learns the reason why the patients will never be cured, and forms a telepathic bond with one of them.