Fair rating? 0 0Signal· Season 1 · Episode 9Hongwon-dong CaseS01E09·8.4·February 19, 2016·1h 14m·tvNHae-young learns that Chi-soo and Jae-han met in 1999 during a case in Inju. After serving time for the crime, Hae-young's brother had killed himself.Streaming on (US) See allShare#2In Season 1of 16 rated episodes#2All-timeof 16 rated episodes+0.3vs season avgSeason 1 averages 8.12016First airedFebruary 19, 2016Guest starsLim Cheol-sooas InformantPark Seong-hoonas Detective JungLim Yong-soonas Workshop OwnerLee Sang-yeobas Kim Jin-wooSeo Eun-ahas Yoo Seung-yeonKim Yun-heeas Yoon Sang-miYang Seung-geolas Street CleanerCrewKim Won-sukDirectorPreviousHow Are You Alive?S01E08 · 8.6NextSomeone Has to Stop the Bad GuysS01E10 · 7.8Keep going
