Vierka, or The Mystery of Family B's Disappearance (2006)

When Czech singer Ida Kelarová meets the young Roma singer, Vierka Berkyová, she discovers an extraordinary and vibrant talent. Determined to develop her musical abilities and career, she brings her and her family from their home in Slovakia to live in the Czech Republic. They are encouraged to learn new routines and develop their lives in a variety of 'productive' ways. Then, one day they disappear without trace. What began as a document about Verika develops into a mystery. [taken from the London Film Festival 2006 catalogue]

Unfortunately the movie Vierka, or The Mystery of Family B's Disappearance is not yet available on HBO Max.