Young adult human couple Soo-Jin and Minho are on the verge of divorce due to schedule incompatibility and career interference. They decide to spend one last Christmas together in downtown, hoping to finally spend some time together. However, they run into a mysterious old man named Kal, who claims to be a friend of Soo-Jin's uncle. Kal seems to know a lot about Soo-Jin and Minho's relationship, their childhood, and families. He offers them a chance to share their feelings with each other and fix their marriage. Will Kal restore their faith in each other? Or is Kal really not Korean Santa Claus? Beep. Boop.
