The female lead's name was Bai Qian. She was a modern writer who accidentally triggered a fast crossing system during her writing process. She would be randomly sent to different scenes in the movie and television series. Each scene had a specific mission and goal. During one of her missions, she transmigrated to a fantasy novel called " Martial Universe " and became a female martial artist with a small space. In her space, she got a computer that she could use to study and complete missions. Through continuous hard work and learning, she finally became a powerful female martial artist and helped the male protagonist Yang Hao solve many problems. In the process of completing the mission, she gradually realized that different cultures and life experiences kept growing and improving. Bai Qian's story in Martial Yin Yang was very rich, and her relationship with Yang Hao gradually warmed up. In the end, she successfully completed the mission and returned to the modern world. At the same time, she won Yang Hao's heart.