Dae-su, an army private, goes on night watch duty the night before his first leave. A trespasser appears and puts the fate of his leave in peril.
A high school boy falls off of the top of a building and lapses into a coma. A detective and his school teacher attempt to get to the bottom of the incident.
Jo Jin-Gab was once a promising judo athlete. He protested against corruption at a game and he was kicked out of the sport. After that, Jo Jin-Gab became a gym teacher. Again, he could not control his anger against the son of the school's chairman. Jo Jin-Gab was once again kicked out of his profession.
Park Cha O Reum works as a rookie judge. She is in her mid-20's and follows "an eye for an eye" principle. She does not accept prejudice or blindly follow authority. Dealing with cases, she and her colleagues, including Im Ba-Reun, grow as persons.