Let's go to the Land of Snow for the first time with Tropical-Rouge!. Pretty Cure!. I'm Natsuumi Manatsu. One day, we received an amazing invitation from the Land of Snow, Shantia!. They're holding a coronation for Sharon!. We all depart to the sparkling world of snow Woah, it's tropica-shining!. Laura, who wants to be the queen of the Mermaid Kingdom, has befriended Sharon who gave her a beautiful ring. But just as they decide to keep a promise, a mysterious monster suddenly appears and locks everyone inside of the kingdom. When it seems like all hope is lost, the "Heartcatch Pretty Cure!." team rush in and give us all a boost of motivation!. And when our feelings become one, the ring transforms into the Snow Heart Kuru Ring...!? C'mon, let's go. Let's tropica-shine through this frozen world!.