The movie, for the most part, charts the AIDS epidemic in France from 1980 - present through the microcosm of a family, but particularly through their gay son Nicolas, who narrates the story. 《爱的真谛/Sa raison d'être》：爱可以穿越时空。爱情不存在在物质世界里。《爱的真谛》——Raison de vivre, raison d’être。浅谈电影的背景和引申。腐女的思考。
