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.

Eun-seok's unorthodox methods in dealing with the suspected accomplice ruffle feathers. Contradictory accusations fly in a heated trial.

The search for the truth behind a teenager's injuries leads to painful and hidden revelations. Meanwhile, the case is personal for Tae-ju.

A troubling call puts a youth counseling instructor under the judges' microscope. The girls inside her recovery home back up the claims.

Eun-seok and Tae-ju set out to locate the missing girls before harm comes to them. The whistleblower's surprising identity is revealed.

Students from privileged backgrounds are caught in a scandal that attracts national attention. Kang Won-jung hides a career-sabotaging secret.

Investigating an underage traffic accident case despite Eun-seok's reservations, Tae-ju discovers a key missing piece. They clash with Na Geun-hee.

Eun-seok fixates on one of the accused perpetrators in a brutal sexual assault case. Tae-ju gains insight into her personal history.

Efforts to locate the ringleader of the runaway gang places Eun-seok in grave danger. Geun-hee faces a confrontation about her principles.