In a dystopian 2071 devastated by air pollution, the survival of humanity depends on the Black Knights — and they’re far from your average delivery men.
Born with supernatural strength, Do Bong-soon fights evil and procures justice while getting tangled in a love triangle with her CEO boss and cop crush.
This time-slip drama centers around Bong Pil and his five friends who travel between the past and present through a manhole in order to stop a wedding scheduled a week later.
