Dewey Finn is a passionate but failed musician who, after being kicked out of his own band, finds himself in a personal crisis. Homeless and burdened with debt, he poses as his roommate, who is a substitute teacher at a prestigious private school. In his new job, Dewey decides to use his students—a group of talented but underappreciated kids in the music world—to form a rock band. At first, the children are insecure and unmotivated, but with Dewey’s overflowing energy and unconventional style, he manages to awaken a passion for music in them that they never imagined they had.
With classes filled with laughter, screams, and plenty of riffs, Dewey prepares them for a battle of the bands that could change their lives. However, his laid-back approach and disregard for the rules not only create complications at the school but also jeopardize his relationship with the students' parents. As his friendship with the kids grows, Dewey begins to learn valuable lessons about responsibility and the importance of believing in oneself. The film is an explosion of energy, contagious music, and emotional moments, where the true essence of rock lies in unity and teamwork. Get ready to laugh and sing at the top of your lungs on this unexpected journey towards self-discovery.