author Kim, Won-Seok compile Kim, Na-young editor moving image videorecording my 2017 monographic kor Summary : A mysterious walkie talkie allows a detective in the year 2000 to communicate with a cold case profiler from 2015; with the power of fore and hindsight the two not only solve crimes but prevent them from ever taking place. However PPAK 171112 20180727222729.0 C2-0343637 eng