Follows Princess Lucy Raine from the Rainia Kingdom, who comes to Earth to recapture mischievous Rainbow Emotions Magic that have escaped to Heartlock Town. These creatures have unique magical powers linked to emotions and concepts and cause chaos, so Lucy must transform into a magical princess of rainbiw emotions to catch evil thing them, and fighting with the evil witch Vexina, all while maintaining her secret identity and working at a local bakery, lives with her aunt and older cousin.
