Original Title: 비정규직특수요원
Part-Time Spy
Jang Young-shil is finally is hired as a comment writer for National Security Office at 35. One day, the manager of the department loses the budget of National Security Office to voice phishing scammers. In order to cover his mistake, Mr. Cha sends Young-shil as a spy to the voice phishing organization. However, Na Jung-eun, a fierce cop, is already working as an undercover. The one who is desperate to keep her job and the one bent on solving the crime must work as a team.