A principled working-class woman and a selfish wealthy man meet the day they graduate from university, beginning a friendship that becomes a pivotal part of their lives. The changes they go through over the next 20 years are shown through the anniversaries of the day they first met. Romantic drama based on David Nicholls' book, with Anne Hathaway and Jim Sturgess.

After spending the night together on the eve of their college graduation, Dexter and Emma are shown each year on the same date to see where they are in their lives. They are sometimes together, and sometimes not.