"BanG Dream! FILM LIVE" is a concert film that brings together the bands from the "BanG Dream!" franchise for a high-energy live performance. The narrative centers around the preparation and execution of a large-scale live concert event, showcasing the collaborative efforts of the bands Poppin'Party, Afterglow, Pastel＊Palettes, Roselia, and Hello, Happy World!. Each band brings their unique musical style and personality to the stage, creating a dynamic and diverse lineup.

The film emphasizes the camaraderie and shared passion for music among the band members. Poppin'Party, led by Kasumi Toyama, serves as the central group, with their journey of growth and determination highlighted throughout the story. Afterglow, known for their rock sound, and Pastel＊Palettes, with their pop idol aesthetic, contribute to the vibrant atmosphere. Roselia, a band with a more serious and refined approach, contrasts with the cheerful and whimsical Hello, Happy World!, adding depth to the overall performance.

The storyline is interspersed with behind-the-scenes moments, revealing the challenges and excitement of organizing such a large event. The characters' interactions and teamwork are key elements, showcasing their dedication to delivering an unforgettable experience for their audience. The concert itself is a culmination of their hard work, featuring a mix of original songs and fan favorites, performed with high-quality animation and sound design that captures the essence of a live concert.

"BanG Dream! FILM LIVE" is a celebration of music and friendship, bringing the virtual bands to life in a way that resonates with fans of the franchise. The film's focus on the live performance aspect highlights the energy and passion of the characters, making it a compelling watch for those who enjoy music-driven narratives.