The Six-Sided Triangle.

The Six-Sided Triangle is a 1963 short film directed by Christopher Miles, starring his younger sister Sarah Miles, Nicol Williamson, and Bill Meilen. It is about a husband who comes home and finds his wife with her lover - told from the perspectives of six different countries (the US, England, Japan, Sweden, Italy and France). The film was nominated for an Oscar for Best Live Action Short Film.