[4] Ko Sun-young is a popular television announcer and midnight DJ on a show that mixes film analysis with selected songs from the associated soundtracks.

Inspired by Travis Bickle, the unstable vigilante from Taxi Driver, Dong-soo has begun to murder pimps and drug dealers throughout the city.

When he hears about Sun-young's imminent retirement, he takes her family hostage and demands that she retool her final broadcast to his specifications.

[1] Darcy Paquet of Screen International called it "a better-than-average Korean thriller that despite its plot holes, manages to maintain the tension all the way through.

"[6] James Mudge of Beyond Hollywood wrote, "Certainly, director Kim’s enthusiasm makes up for any lack of originality, and thanks to a fine script, fast pace and the efforts of the headlining stars, it stands as one of the best and most fun Korean thrillers of the last year or so.