“Signal” has only aired two episodes so far, but has already reached a peak of 8.3 percent in the viewer ratings, with an average of 7.3 percent. This is a 1 percent increase from the drama’s pilot episode rating, which averaged at about 6.3 percent.
The drama is a special project for tvN’s 10th anniversary. “Signal” is about detectives from the past and present who communicate via a walkie-talkie to solve a cold case. It is inspired by a series of real murders that took place in Korea’s Gyeonggi Province from 1986 to 1991.
“Signal” airs Fridays and Saturdays at 8:30 p.m. KST.