Heights (2005)

"Heights" follows five characters over 24 hours on an autumn day in New York City. Isabel, a photographer, is having second thoughts about her upcoming marriage to Jonathan, a lawyer. On the same day, Isabel's mother Diana learns that her husband has a new lover, and begins to re-think life choices and her open marriage. Diana and Isabel's paths cross with Alec, a young actor and with Peter, a journalist. As the interrelated stories proceed, the connections between the lives of the five characters begin to reveal themselves and their stories unravel.

Official website: http://www.sonyclassics.com/heights/