00696ngm a2200157 i 4500001001100000003000500011005001700016008004100033040002500074245001100099264011500110500024500225700001100470700002900481700002800510C2-0343637PPAK20180727222729.0171112s2017    my |||| |||||  |  vlkor d  aPPAKbengcPPAKerda10aSignal 1aKuala Lumpur ; South Korea, Korea; Kuala Lumpur : bA Story; PMP Entertainment (Malaysia Distributor) , c2017  aSummary : 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  eauthor1 aKim, Won-Seok, ecompile1 aKim, Na-young, eeditor