"Eiga Tropical-Rouge! Precure: Yuki no Princess to Kiseki no Yubiwa!" is a film adaptation of the "Tropical-Rouge! Precure" anime series, featuring the magical girl team known as the Tropical-Rouge Pretty Cures. The story centers on Manatsu Natsuumi (Cure Summer), Sango Suzumura (Cure Coral), Minori Ichinose (Cure Papaya), Asuka Takizawa (Cure Flamingo), and Laura, the mermaid princess who transforms into Cure La Mer. The film introduces a new adventure that takes place during winter, contrasting with the tropical theme of the series.

The narrative begins when the Tropical-Rouge Pretty Cures encounter a mysterious girl named Yukina, who claims to be the Snow Princess from the Land of Snow. Yukina seeks their help to retrieve the Miracle Ring, a magical artifact that has been stolen by the villainous Butler. The Miracle Ring holds the power to control snow and ice, and its misuse threatens to plunge the world into eternal winter. The Cures, alongside Yukina, embark on a journey to the Land of Snow to recover the ring and prevent the impending disaster.

As the story unfolds, the Cures face various challenges, including navigating the icy terrain of the Land of Snow and confronting Butler, who uses the Miracle Ring to create obstacles and enemies. The film explores themes of friendship, courage, and teamwork as the Cures work together to overcome these trials. Yukina’s backstory is gradually revealed, adding depth to her character and her connection to the Miracle Ring. The climax involves a high-stakes battle where the Cures must harness their combined powers to defeat Butler and restore balance to the world.

The film maintains the core elements of the "Tropical-Rouge! Precure" series, including vibrant transformations, dynamic action sequences, and heartfelt moments of camaraderie. It also introduces new settings and characters, such as the Land of Snow and Yukina, which provide a fresh backdrop for the Cures’ adventure. The story is self-contained, making it accessible to both fans of the series and newcomers, while still offering a satisfying continuation of the Tropical-Rouge Pretty Cures’ journey.