Chen Dong is a simple-minded man, often mocked and humiliated by the villagers, but his sister-in-law treats him with endless care.
Then one day, when a scoundrel harasses and hounds his sister-in-law, Chen Dong steps in to save her. He is attacked, but through a twist of fate, he receives an extraordinary inheritance: the supreme legacy of the Mysterious Lady, healing arts that can save the world, and peerless martial skills.
After he saves his sister-in-law, she calls him over to her house. "There's something I want you to help me with..."
