This film is the first in the world to tell the story of Hua Mulan in the form of 3D animation. The story is based on the original novel but adapted. Mulan has dreamed of becoming a female hero since she was a child, but she suffered repeated setbacks after joining the army for her father. She gritted her teeth and persevered in facing love and friendship, and finally truly understood the meaning of "the greatest hero is one who serves the country and the people."