The Return of the Su

Wang Yang didn't know why Qin Lang, who he always thought was foolish and naive, had such sharp eyes. He seemed like a completely different person. Holding back the shock in his heart, he forced a smile and said to Qin Lang, "Go back and see your uncle! He's about to...",There is also a young soldier in military uniform, who is Qin Lang's uncle, Ren Shangwu.,The doctors in this world can't cure this poison. Who is it, and what kind of grudge do they have against their father to inflict such a deadly blow。