Shows like sigeuneol

Signal is a 2016 South Korean fantasy police procedural television series starring Lee Je-hoon, Kim Hye-soo, and Cho Jin-woong. Based on the 2000 film Frequency in premise and inspired by real-life criminal incidents in Korea, including the Hwaseong serial murders, the series aired on tvN from January 22 to March 12, 2016 on Fridays and Saturdays at 20:30 KST for 16 episodes.