Join Little Red Riding Hood, Snow White and Blair Rose from Sleeping Beauty as they are appointed to be guardians of a sealed key which could control a parallel universe inhabited by characters of well-known fairy tales. A rebel clan, lead by a she-devil Cinderella, desperately searches for the key. Cinderella, with her magical power, finally tracks the key down in the real world where we live and sends her gang over. To protect Sota, a tenderhearted boy who keeps the sealed key in his body, three Musketeers travel from the parallel world. They make a vow to destroy Cinderella's evil plot.