Once upon a time, there is a man named Cheung. More or less, Cheung lived a mundane, uneventful life. But one day, out of nowhere, the voice of a narrator emerged from Cheung's ear, describing everything that Cheung do or say, as if a story was being told. Cheung couldn't help but wonder, is it just the day-to-day feeling of mundaneness getting to his head.