Orphaned Cinderella is deprived and put to hard labor by her evil stepmother and stepsisters, who force her to stop her Ninja training. They even prevent her from going to the ball, where she hopes to meet the Prince, impress him with her prowess, and become his bodyguard. Her Fairy Godninja makes the trip possible, warning that she must be back by midnight. Ninja-rella saves the Prince's life and flees, leaving her sword behind. The Prince searches until he finds the girl who can wield the sword, and makes her his bodyguard.