First air date: May 30, 2012
Episode duration: 01h 04m
Rating: (7.4) based on 15 votes
Status: Ended
Seasons: 1
Episodes: 20
Starring: So Ji-sub, Lee Yeon-hee, Uhm Ki-joon, Kwak Do-won, Song Ha-yoon
Created by: Kim Eun-hee
Genre: Mystery, Crime

The police procedural tackles crimes and clues in the cyber world, weaving a massive, twist-filled mystery of murders, identity switches, corruption and conspiracy.

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