Kuai Huo Lin plot
Wu Sung, a sword master in the army, is accused of murdering his adulterous sister-in-law and a criminal and is exiled to the Meng Chao prison camp. Once there, he is freed from a hundred bamboo blows through the intercession of Shi En, the son of the camp boss. In turn, Wu Sung challenges a criminal to a duel when the latter attacks and injures Shi En to rob him.