Kim Dong-sun, the third son of Hanwha Group, known for drunken violence. The prosecutor in charge at the time was Jung Sun-sin, the head of the National Office of Investigation and a close confidant of Yoon Suk-yeol. His son is controversial as a perpetrator of school bullying, a real-life version of <The Glory>. Can a person who covers up his own son's school violence and drags it out while investigating other people's sons properly lead the police organization?