"Soreike! Anpanman: Soratobu Ehon to Glass no Kutsu" is a feature-length anime film based on the popular "Anpanman" franchise, which centers on the adventures of Anpanman, a superhero made of anpan (a sweet bread filled with red bean paste). The story begins with Anpanman and his friends living in a peaceful world where they help those in need. One day, a mysterious flying storybook arrives, bringing with it a pair of magical glass shoes. These shoes are said to grant the wearer the ability to fly, but they also carry a hidden curse.

The narrative takes a dramatic turn when Baikinman, the series' recurring antagonist, steals the glass shoes, hoping to use their power for his own selfish purposes. However, the curse begins to take effect, causing chaos and endangering the world. Anpanman, along with his loyal friends like Shokupanman and Currypanman, must embark on a journey to retrieve the shoes and break the curse. Along the way, they encounter new allies and face various challenges, including a mysterious girl named Glass who is connected to the shoes' origins.

The story explores themes of courage, friendship, and the consequences of greed. As Anpanman and his friends work together to restore balance, they learn valuable lessons about trust and the importance of selflessness. The film maintains the franchise's signature blend of lighthearted humor and heartfelt moments, appealing to both children and long-time fans of the series. The characters' interactions and the unfolding mystery of the glass shoes drive the plot forward, culminating in a climactic resolution that reinforces the series' core values.