Ento Mayr is the most powerful Mafia Boss in the country. He is principled and keeps other organized crime factions in check. One day, he gets involved in a fatal car crash. When he wakes up, he finds himself in the body of a bullied and emotionally broken 17-year-old boy named Soju. How will the most powerful mafia boss in the country deal with the hardships of being an extremely slighted teenage boy?