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.

Unable to ignore new CCTV footage of Dae-cheol, Do-chang and Ji-hyeok look for answers. Seo-kyeong receives a troubling call from Park Geon-ho.

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

After discovering a connection between Oh Jong-tae and the woman murdered five years ago, the detective squad begins working on the case in secret.

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.

As Ji-hyeok continues digging for the truth, he obtains an audio file from Seo-kyeong. Jong-tae schemes to destroy Ji-hyeok's detective career.

Revisiting the scene of a supposed suicide, detectives find neglected evidence. Eun-hye and Seo-kyeong help Do-chang clear Ji-hyeok's name.