On a mountain path, a tall young man walked with a wooden stick in his hand. He tapped it on the ground rhythmically, making a "tap-tap-tap" sound as he slowly moved forward.,The blind young man, named Ling Feng, was the heir to a fallen medical family.,Ling Feng's grandfather, Ling Kun, was very excited to see the high reward offered by the city lord on the notice board. He asked Ling Feng to take up the challenge and go to the city lord's mansion to cure Su Lin.。