Shen Muyuan, a young dyer from Qingxi, an ancient town in the south of the Yangtze River, was forced to inherit the family business due to great changes in his family. However, he was separated from his childhood sweetheart Su Zhenxue during the war of resistance against Japan. He moved to Shanghai and established himself in the concession by relying on his ancestral vegetation dyeing skills, but secretly became the contact person of the underground intelligence station. In the past ten years, he experienced the ups and downs of the business world, brother's betrayal, life and death escape, and finally reunited with the separated Su Zhenxue. However, the mountains and rivers are broken, and a new storm will hit again...
