After experiencing pain near his stomach area, Choi U-Jin (Oh Jung-Se) goes to see a doctor. He learns that he has pancreatic cancer and only 3 months to live. While stunned by the news, Choi U-Jin eventually decides to live the last 3 months of his life fully. He quits his job as an office worker, closes out his savings account and books a hotel suite for the next 3 months. Meanwhile, Sa-Rang (Kim Seul-Gi) worked with Choi U-Jin at his former office job and likes him a lot. In fact, she was the only woman who liked him there.