In the summer of 2009, Charlie Ruez made a documentary. 6 months later the footage was seized for evidence by the Metropolitan Police Department. In 2010, the footage was released.

In 1945, the new Polish government asked for the heart of Chopin previously buried in Paris. A woman called Paulina Czernika approached the government claiming to have some love letters from the composer to her great-grandmother, the Countess Delfina Potocka.