最好的世界 Die Beste Aller Welten (2017)

Based on true events seven year old Adrian is growing up in the underground drug scene of the Austrian city Salzburg, famous for culture and classical music. His mother Helga is torn between her drug addiction and her love and dedication for her son. Despite of this environment Adrian has a happy and normal childhood, the best of all worlds. Their relationship is tested to the limit when the authorities and child welfare services find out about Helga's addiction