Mulan is the first disney princess film to be based off a legend. Tomboy Mulan secretely takes her father's place in the army of China to defeat the huns, lead by Shan Yu.
When the Huns, led by the ruthless Shan Yu, invade China, each family is given a conscription notice. Mulan's father, Fa Zhou has to serve in the army, but due to his age and previous war injuries, it is doubtful that he would survive. Fa Mulan disguises herself as a man, then takes her father's conscription notice, armor, and weapons so that he will not have to go. She rides away on her horse, Khan, to join the army, knowing that if she were caught she would be killed.