The play begins when the fate of Mozart presents his test: replaced Colloredo Prince-Archbishop of Salzburg. The new governor - a strict and authoritarian man, did not perceive the music of Mozart and impatient of his ardor and audacity. For Mozart's life in Salzburg soon becomes unbearable. Him 20 years old when he decides to leave his hometown and move with his mother in search of a better future in European capitals. The trip marked the composer's changes and bitter disappointment. He can not get either at a European court, he experiences first love with disappointment Alois Weber, and loses his mother in Paris, a city that did not accept and humiliate. Mozart returns to its strict and dull life in Salzburg, where the dying Empress of Austria. Composer must be accompanied by the mayor, Colloredo, in Vienna to celebrate the new emperor, Joseph II. Vienna, European capital of music, will play a fatal role in the fate of the composer. Mozart learns about the glory of love, rivalry, and then about the fall and poverty. He died in abject poverty, leaving his best work, "Requiem, unfinished.