In the end, the "Adieu" of the title is a farewell to many things: to an old life, to innocence, and to the illusion that one can dance with the devil without losing their steps.
His assistant, François Mercier, is a man of humbler origins. François is steady, hardworking, and somewhat unremarkable, living in the shadow of Haffmann’s brilliance. He lacks the creative spark but possesses a desperate kind of loyalty—and a growing desire for a life he cannot afford. Е»egnaj, panie Haffmann Adieu Monsieur Haffmann ...
In the cramped, dark workspace of the basement, Haffmann works on the piece. As he polishes the final jewel, he realizes that while he is a prisoner of the walls, François has become a prisoner of his own lies. In the end, the "Adieu" of the title