Two detectives teamed up to catch a serial killer who murdered their family. Moo Jin Hyuk’s life spiraled out of control after his wife was murdered. He starts to put himself together after he meets Kang Kwon Joo, US-graduated voice-profiler, who lost her police father to the same serial killer. They work together on the 112 (emergency telephone number) call center team.
S1 Eps1S1 Eps2S1 Eps3S3 Eps1S3 Eps2S3 Eps3S3 Eps4S3 Eps5S3 Eps6S1 Eps7S3 Eps8S3 Eps9S3 Eps10S3 Eps11S3 Eps12S3 Eps13S3 Eps14S3 Eps15S3 Eps16