The characters in 'Alles Flex' have pimples, are insecure and have bodies that are still developing. Moreover, when the boys first come to school, they understand little of what is going on in the heads of the girls and vice versa. The six anti-heroes join the school band at the beginning of the school year for different reasons: some see it as an opportunity to become cool, while others see it as an excuse to be around the girl he likes. finds. Ultimately, the school band is also the place where all six characters begin to find their own voice and learn where their strength lies.