As a young man a full head full of whimsy, Tom Hansen () and he has a completely wrong-way nature of the job: He is a devoted to each A text worker who writes congratulatory messages like greeting cards. For a long time, this job has become a place for him to express his imagination. Unfortunately, this is a mechanically boring and boring job after all, so Tom has always felt that this job makes him dull. Boring, and his ambition is only to be an architect.
But for his overflowing imagination, it was too much, that person is Tom's girlfriend Summer Finn (). Summer has been hurt by men during her life journey, so she has no illusions about all men, including her boyfriend, especially seeing Tom indulging in impracticality all day. This is the same as their original encounter. totally different.
There was obviously a problem with the relationship between the two people. Summer couldn't help but tell Tom to break up. He was convinced that he would cut the mess quickly and act decisively, and Summer left Tom and had a new life of his own. Tom desperately wants Summer to break up with him. He loves Summer so much, but he has to accept the fact that Summer has left. This made him reflect on whether he is a competent boyfriend and what he has done wrong. Tom began to think about the 500 days and nights he spent with Summer. He hoped to find the answer.
