4PM

Jung-in, the professor of western psychology, decides to take a break from his teaching and moves to his new house in the countryside with his wife. They went to say hello to their neighbor and when there was nobody at home, they left a note. The next day, the neighbor comes to visit at 4 pm. When he left the couple didn't think it was a simple response to the note they left. But the doctor and neighbor come every day and ruin the couple's peaceful times. As time passes, the couple feels pressure, and it drives them insane.