A middle-aged man, overwhelmed by life, picked up a little girl of unknown origin on the edge of the city. She will make the elevator stop in mid-air, will listen to lies as colors, and will light up the lights on the entire street one by one in the middle of the night. While the man was cooking, changing clothes, and doing homework for her, he was also blocking people, covering up things, and cleaning up the mess for her. As he kept raising her, he realized that what he was raising was not a daughter, but a key that was slowly opening up the entire city.