A major incident has occurred in the peaceful Sky Land!? The young Princess Eru has been kidnapped by the monsters of Underground Empire. A brave young girl, Sora, follows the princess through a mysterious hole. "TV"? "Cars"? Are those some kind of magic tools!?!? But there's no time to be surprised. She has to get the princess back to the castle.... Flying between two worlds. The adventure with the Pretty Cure begins now. It's hero time.

A shy teenage boy's inability to say no is tested when a headstrong girl drags him on a mystical journey amid summer snow to find her missing mom.