Wang Xiaohong (Wang Luodan), a soldier of the Red Army, was born in poverty. When she grew up, she didn't even know who her biological mother was. In order to collect urgently needed western medicine for the wounded in the field, her leader sent her down the mountain to perform the task. Xiaohong dressed up as a bride to be married and got into the sedan chair. She wanted to find her father who ran a medicine shop to find a solution, but she encountered bandits who came down the mountain to rob on the way, and she was abducted to Heilong Mountain with the sedan chair. It turned out that Mei Xianzu (Yang Zhigang), the eldest son of the Mei family, had colluded with the bandits. He wanted to rob the old lover who was occupied by the warlord Ma Rong (Liu Wei), but he robbed the wrong person by mistake. Ma Rong was furious when he heard the news, and immediately led people to kill Heilong Mountain. In the fierce battle, the bandit leader Hei Mujiao (Hei Zi) was injured and escaped. Xiaohong took out the bullet for him with thrifty means. In order to repay his life-saving grace, he helped Xiaohong open a western medicine clinic in Yuping, and patients were shoulder to shoulder every day. The people called her "Red Lady" who came down from the upper world to save the people...