While Tom seeks a soulmate, Summer is upfront about not believing in true love or wanting a serious relationship.

One of the film's most famous sequences uses a split-screen to show Tom's hopeful vision of a party versus the harsh, lonely reality he actually faces. Themes and Cultural Impact

The film follows Tom Hansen (), an aspiring architect stuck writing greeting cards, and Summer Finn ( Zooey Deschanel ), his boss's new assistant. Unlike traditional romantic comedies, the story jumps back and forth through their 500 days together, using an on-screen timer to track their progress from initial sparks to the final breakup.

The version captures the nuanced dialogue that makes this film a "smart romantic dramedy".