In hopes of giving his father, Lee Taeyong, a great life and forgetting his traumatic past, Na Jaemin burns the candle at both ends, going an extra mile in academics to maintain his scholarship and selling snacks in class in order to help his father pay the bills. From there, Lee Jeno, who's in conflict with his own father, Jung Jaehyun, because of a failed marriage, comes into the picture like a great tempest, destroying the life

In which Mark Lee lived the life alone he and his best friend, Lee Donghyuck, envisioned when they were kids.