Season 1
Shim Eun-seok, an elite judge with a cold and distant personality who is known for her dislike of juveniles, is appointed judge of a juvenile court in the Yeonhwa District. There, she breaks customs and administers her own ways of punishing the young offenders. Eun-seok has to deal with and balance her aversion to minor offenders with firm beliefs on justice and punishment as she tackles complex cases while discovering what being an adult truly means.
Episode 1
Arriving at juvenile court, Sim Eun-seok meets the compassionate Cha Tae-ju. The details of a murder case involving an underage killer don't add up.
Episode 2
Eun-seok's unorthodox methods in dealing with the suspected accomplice ruffle feathers. Contradictory accusations fly in a heated trial.
Episode 3
The search for the truth behind a teenager's injuries leads to painful and hidden revelations. Meanwhile, the case is personal for Tae-ju.
Episode 4
A troubling call puts a youth counseling instructor under the judges' microscope. The girls inside her recovery home back up the claims.
Episode 5
Eun-seok and Tae-ju set out to locate the missing girls before harm comes to them. The whistleblower's surprising identity is revealed.
Episode 6
Students from privileged backgrounds are caught in a scandal that attracts national attention. Kang Won-jung hides a career-sabotaging secret.
Episode 7
Eun-seok expects Won-jung to do the right thing, and pushes back against his actions in court. When he demands hard evidence, she digs in deeper.
Episode 8
Investigating an underage traffic accident case despite Eun-seok's reservations, Tae-ju discovers a key missing piece. They clash with Na Geun-hee.
Episode 9
Eun-seok fixates on one of the accused perpetrators in a brutal sexual assault case. Tae-ju gains insight into her personal history.
Episode 10
Efforts to locate the ringleader of the runaway gang places Eun-seok in grave danger. Geun-hee faces a confrontation about her principles.