"Go! Princess Pretty Cure the Movie Go! Go!! Gorgeous Triple Feature!!!" is a compilation film that brings together three distinct stories featuring the protagonists of the "Go! Princess Pretty Cure" series: Haruka Haruno (Cure Flora), Minami Kaido (Cure Mermaid), and Kirara Amanogawa (Cure Twinkle). Each segment explores themes of friendship, perseverance, and self-discovery, while maintaining the magical girl action and heartfelt moments characteristic of the franchise.

The first segment, "Go! Princess Pretty Cure: Go! Go!! Gorgeous Triple Feature!!!," centers on Haruka, Minami, and Kirara as they face a new threat from the Dyspear faction. The trio encounters a mysterious girl named Puff, who is revealed to be a magical creature from the Hope Kingdom. Puff seeks the Pretty Cures' help to protect her homeland from an invasion by Dyspear's minions. The story emphasizes teamwork and courage as the Cures travel to the Hope Kingdom, confront powerful enemies, and ultimately restore peace by unlocking new transformations and abilities.

The second segment, "Go! Princess Pretty Cure: The Miracle of the Mermaid Aquarium," shifts focus to Minami, whose connection to water and marine life is highlighted. The Pretty Cures visit an aquarium where they encounter a mermaid princess named Laura, who is searching for a legendary treasure to save her underwater kingdom. The story delves into themes of environmental preservation and the importance of protecting nature, as the Cures assist Laura in overcoming obstacles and defeating a water-themed antagonist threatening both the human and mermaid worlds.

The third segment, "Go! Princess Pretty Cure: Kirara's Dream Dress," revolves around Kirara and her passion for fashion. The Cures are invited to a prestigious fashion show, where they meet a young designer named Coco, who is struggling to create her dream dress. Kirara's determination to help Coco achieve her goal is tested when Dyspear's forces disrupt the event, aiming to steal the creativity and dreams of the participants. The segment explores themes of artistic expression and perseverance, culminating in a climactic battle where the Cures protect the dreams of those around them.

Throughout the film, the Pretty Cures' unwavering bond and commitment to their ideals are central to the narrative. Each segment showcases their individual strengths and growth while reinforcing the overarching message of hope and unity. The film seamlessly blends action, fantasy, and emotional storytelling, offering a cohesive and engaging experience for fans of the series.