In the spring of 2005, a mother living in Hanoi receives a diary of her late daughter, a young doctor working at a field hospital during the war. Kept for over thirty years by an American veteran, the diary is an account of her life spanning two years, from April 1968 until her death in June 1970.

A theater troupe reunites in excitement for a new production after having been out of work for a long time, with the performers and their mentor having gone their separate ways to make ends meet. But the bitter fallout from the failed romance between the lead actor and the lead actress—a romance as long ago as her famously beautiful hair—threatens the play's success.