Sinopsis Serial Return Season 1 Episode 4 Versi Terbaru (2018)

Ja Hye and Young continue their investigation. However, Ja Hye finds more evidence that proves In Ho’s innocence and starts to think that one of In Ho’s friends may be the real culprit. As Ja Hye continues her investigation, Tae Suk, Joon Hee, and Hak Bum all get nervous.