The movie Roll! Ah Xin was based on the true story of the Taiwan singer Ah Xin. Ah Xin was a famous singer and actor in Taiwan. He was very popular in the 1980s and 1990s and was known as the "King of Asian Pop." The movie Roll! Ah-Xin tells the story of Ah-Xin's success in music and sports, as well as his story of overcoming personal difficulties and pursuing his dreams.