The 2nd strong team solves a serial murder case that Seoul Gwangsu University cannot solve. Meanwhile, Kang Do-chang, and Oh Ji-hyuk who started the investigation again, found a horribly murdered corpse.
La culpa de Do‑chang crece luego de otra muerte inesperada. Los demás quieren cerrar el caso, pero Do-chang y Ji‑hyeok se niegan a rendirse.
A culpa de Do chang aumenta quando ocorre outra morte inesperada. Há quem queira encerrar o caso, mas Do-chang e Ji-hyeok se recusam a desistir.
