The Good Detective

On their first day as partners, detectives Kang Do-chang and Oh Ji-hyeok pick up a series of calls with perplexing connections to a closed murder case.

Intrigued by emerging claims of Lee Dae-cheol's innocence, Jin Seo-kyeong asks Do-chang for a meeting; the police search for the missing girl.

Do-chang visits Lee Eun-hye at the hospital; when Ji-hyeok sends Seo-kyeong a photograph of a suspect, she realizes she's in immediate danger.

To secure a retrial for Dae-cheol, Do-chang comes clean about a slip-up in the original investigation; Seo-kyeong shares her suspicions with her boss.

Afraid of hurting his daughter, Dae-cheol considers walking away from the trial; Do-chang and Ji-hyeok chase down more information on Jong-tae.

Seo-kyeong gets her hands on a recording that may prove decisive for Dae-cheol's trial; Do-chang takes the stand to testify.