juvenile prison

juyeong is in a juvenile jail center for attempting to murder his father, gang-ryong. he clings to hope, seeing a future in seoul with his boyhood friend dayeon. but everything is shattered when dayeon is cruelly murdered by a rogue truck, and juyeong’s grief grows when he discovers that his father was driving. in a tragic twist, gang-ryong regains consciousness and issues an ultimatum to juyeong: “if you want revenge, become the king of this detention center!” now, juyeong must traverse the perilous world of prison politics, aiming to ascend to power and avenge his comrade.