"Precure Super Stars!" is a crossover anime film that brings together characters from three distinct "Precure" series: "Mahou Tsukai Precure!," "Kirakira Precure a la Mode," and "Hugtto! Precure." The narrative centers on the collaboration of these magical heroines to combat a shared threat, blending their unique abilities and personalities into a cohesive story.

The plot begins with Hana Nono, Saaya Yakushiji, and Homare Kagayaki from "Hugtto! Precure!" encountering a mysterious girl named Papple, who is searching for the "Legendary Pretty Cure." Papple is from the distant world of Labyrinthia, where an evil force known as the Dark Witch has plunged the land into darkness. The Dark Witch seeks to drain the happiness and light from all worlds, threatening not only Labyrinthia but also Earth. Papple’s quest leads her to Earth, where she believes the Legendary Pretty Cure can be found.

As the story unfolds, the Hugtto! Precure team joins forces with Mirai Asahina and Riko Izayoi from "Mahou Tsukai Precure!" and Ichika Usami, Himari Arisugawa, Aoi Tategami, Yukari Kotozume, and Ciel Kirahoshi from "Kirakira Precure a la Mode." Together, they discover that the Legendary Pretty Cure is not a single entity but the collective power of all Precure teams united. The heroines must overcome their differences and combine their strengths to confront the Dark Witch and restore light to Labyrinthia.

The film emphasizes teamwork and unity, showcasing the unique abilities of each Precure team. The Mahou Tsukai Precure duo brings their mastery of magic, the Kirakira Precure a la Mode team contributes their confectionery-themed powers, and the Hugtto! Precure trio adds their futuristic technology and emotional resilience. The climactic battle against the Dark Witch highlights the synergy of these diverse powers, culminating in a powerful display of teamwork and determination.

Throughout the narrative, themes of hope, friendship, and perseverance are central. The characters face challenges that test their resolve, but their unwavering belief in each other and their shared mission drives them forward. The film’s resolution reinforces the idea that the true strength of the Precure lies in their ability to unite and support one another, regardless of their individual origins or abilities.