DESCRIPTION:

Kim Himchan is the grandson of a Mafia Kim. He parents died when he was seven years old. and his  grandfather had no other descendants, so Himchan is next in line to head the family business with the title of Mr. However, his lifelong dream has been to become a teacher. While his grandfather approves of his choice, others in the family want his to become the next boss. Kim Himchan becomes a teacher at an all-boys private high school. His class is full of delinquents, but He tries his hardest to teach them not just about academics, but about lessons of life, much like any "dedicated teacher" story. Though he's forced to keep his family a secret from the public, her Mafia upbringing gives her the strength and the experience to reach out to her students, while also providing comedic relief.

He ex-boss, Jung Hoseok now works at Akado Gakuen High School as a vice principal. Although the head director of the school board Narsha Park Hyo Jin specifically orders him to handle the problematic class, 3-D, it was way too much for him. Hoseok then tried to reach Himchan and went far away to a Jeju island to find Himchan, and convince his to work for Akado High School. Himchan accepted the offer, only to find out that he’lll teaching bunch of mean students. Not only that, there are two group fighting over "who'll rule Akodou" thing. Will Himchan’s strong belief in students and teaching work this time?