Every students in Mr Choi’s English class is very attentive to him, listening very carefully. Well the others are really focused and the other half are just busy in their own fantasies towards the handsome and very young collage English Teacher. They are having a discussion and Mr. Choi Siwon or Prof Choi is lecturing. At a very young age of 22 he is now a collage teacher in the famous University in Korea.. Seoul University. How it happens?? Siwon had higher grades in school, and he finished his collage course in an instant simply because he is accelerated.  But the most important thing why he is in Seoul University and teaching English to the bunch of students.. He’s in a mission.. yes a mission.. Siwon is an undercover agent working for Korea’s Anti terrorist Security.

And luckily he is the son of the head chairman of the organization. It started when he finished in collage and started to undergo training with the elite force of the army and other military branch, he’s classified as one o the most to agents. Te top agents we’re called ACES. He wanted to prove to his father that he can handle a case by himself, even though at first his father don’t want to gave the VIP mission to him. Seeing his son’s full determination he finally gave in and gave the mission to Siwon. The organization have connections that’s why Siwon became at teacher in Seoul university in an instant. He’s teaching at the school for about a year now. And he’s enjoying it very well.