Song Min-hyung

Ancient Korea, 1728. Swordsman Kim Ho, guard of King Yeong-jo of Joseon, is demoted and sent to work in Uigeumbu prison. When night falls, the prison is assaulted by the master warrior Do Man-cheol and his powerful henchmen for the purpose of freeing Lee In-jwa, who has been condemned to death for rising up in revolt against the king.

A rebellious high school student sees his life take a strange turn when he goes to the grocery store and someone leaves a baby in his shopping cart, along with a note claiming he's the father.