Itaewon Keullasseu plot
On the first day of his new high school, Park Saeroyi hit his classmate Jang Geun-won, who was bullying a classmate. This bully is the son of Jang Dae-hee, owner of restaurant Jagga, where Saeroyi's father works. Jang Dae Hee gets Saeroyi out of school and his father fired. Soon an accident takes place in which Saeroyi's father is killed in a motorcycle accident caused by his ex-classmate Jang Geun Won. Burning with rage, Saeroyi brutally defeats Jang Geun-won, after which he ends up in jail. Saeroyi decides to destroy Jagga and take revenge on Jang Dae-hee and his son. Once Saeroyi is released from prison, he opens a restaurant in Itaewon. Jo Yi-seo, who is popular on social media, joins Saeroyi's restaurant as a manager.