Doo Hoon is a dedicated office worker who immerses himself in his job, shuttling between home and the office day in and day out. His life seems monotonous, filled with loneliness and sadness. However, one day, his life is completely turned upside down by his neighbor, Yoon Soo. Yoon Soo is Doo Hoon's junior in college, a young man who suddenly dropped out of school. One day, Yoon Soo appears in front of Doo Hoon, holding a bowl of sweet rice soup as a housewarming gift. Doo Hoon accepts, and suddenly, his world brightens as the sweetness warms his weary soul. Yoon Soo confesses that he once lacked the courage to confess his feelings to Doo Hoon and chose to avoid him. However, over the years, Yoon Soo has put this past behind him, while Doo Hoon begins to unconsciously care about Yoon Soo from that moment on. From that day forward, Yoon Soo and Doo Hoon's lives undergo a transformation. After work, they spontaneously become a perfect pair for sharing meals, and every meal becomes precious quality time for them. Doo Hoon even realizes that his feelings for Yoon Soo are growing warmer and deeper with each passing day.