The serene Skyland is disturbed when a major occurrence arises - the creatures from the Underg Empire have abducted Princess Ellee! With bravery and resolve, a determined young woman called Sora enters a perplexing opening to chase after the Princess. Sora is bewildered by unfamiliar items such as "TV" and "Cars" - might they be magical devices?! Despite her astonishment, Sora must concentrate on saving the Princess and returning her to the fortress. Joined by the Pretty Cure, they traverse between two realms on a grand expedition! Prepare to partake in the heroism!