During the Joseon Dynasty, Ryung acted as a hooligan in the marketplace by day but at night he was a thief who robbed corrupted government officials to give to the poor.During the Joseon Dynasty, Ryung acted as a hooligan in the marketplace by day but at night he was a thief who robbed corrupted government officials to give to the poor.During the Joseon Dynasty, Ryung acted as a hooligan in the marketplace by day but at night he was a thief who robbed corrupted government officials to give to the poor.