After the lights go down in Daechi-dong, the untold stories of academy instructors unfold. The veteran instructor, Seo Hye-jin, and her former, rebellious student, Lee Joon-ho, encounter each other after a decade, painting a discreet and sweet real-life romance.

The stories of overworked prosecutors's daily lives in Seoul. A drama depicting the mundane daily routine of overworked prosecutors staying up all night to tackle all the different cases handed over by the police.