| Duration: | 4200 min |
|---|---|
| Genres: | Comedy, Action, Romance |
An elite NIS agent goes undercover as a student to find hidden treasure, showcasing his skills at every turn.
After an operation turns bad, Hae Seong and his team take on an unbelievable assignment to make things right.
Hae Seong investigates the old building at the school while he struggles to deal with school bullies.
Hae Seong digs into the school's ghost stories to find the gold, while Tae Soo's bad habits cause chaos.
Hae Seong avoids getting expelled and joins the student council to uncover secrets about a clock.
Miraculously, Hae Seong gets accepted into the student council, but Su A's suspicions threaten the mission.
Hye Seong learns the hidden truth behind the undercover mission. He leaves the team to get away from it all.
