Korea, where job crunch is becoming major issue, there’s 35 year-old Young-sil desperate woman more than ready for full time job. Young-sil obtained all kinds of certification including military training. Finally she gets a call from National security agency to be the intern. But the joy lasts no long, she is asked to leave. One day, she accidently discovers that her boss just scammed of half million dollars by phishing. By instinct she feels this is the chance, and she makes a deal with the boss of full time job, if she brings back money. Now as a undercover spy, Young-sil starts to works at the voice phishing center. Would she find the criminal and become a real employee?