Han Ji-hyuk, an NIS agent gone MIA, returns after one year to join a new team as he searches for his lost past.

Two apathetic police academy recruits who become best buddies through the tough training together witness a woman being abducted right before their very eyes. As they were taught in the…

Jiwon, a motivated new police officer, is strangely bothered after meeting Osun, a social worker. On a hot summer day, a kidnapper sends a message saying, ‘If you want to…

Se-jin, a lonely department store employee, moves into a high-rise apartment building. One day she notices that the lights in the windows of the building opposite all start to mysteriously…