Signal Season 1 Episode 12
The Case Was Manipulated
Hae-young becomes a suspect for the murder of Chi-soo. Jae-han realizes who the principle offender of the attack on Hye-seung is.
Guest Stars
Kim Hak-sun
Park Myung-hoon
Hong Boo-hyang
Farmer's Wife
Jeon Su-ji
Kang Hye-seung
Shin Yi-Joon
Kang Hye-seung (Young)
Seo Ji-hoon
Jang Tae-jin