A new teacher at a strict boy’s boarding school tries to improve the lives of his students through music. By introducing these difficult children to music and choral singing, Mathieu will transform their daily lives.
In 1948, Clément Mathieu, an unemployed music teacher, accepts a position as supervisor in a rehabilitation boarding school for minors. The repressive system applied by the director upsets Mathieu. By introducing these difficult children to music and choral singing, Mathieu will transform their daily lives.