Michael Haneke's The Seventh Continent (1989) is a harrowing look into a seemingly normal family. Haneke's first feature film will leave you shocked, appalled, and change your perspective on life in a way that you never could have imagined.

SOURCES/INFORMATION

IMDB: https://www.imdb.com/title/tt0098327/ 

The Criterion Collection: https://www.criterion.com/boxsets/6323-michael-haneke-trilogy?srsltid=AfmBOoq9I-ccwFaO273qPO8Bz_K03xFcU7YsDenM1UJ6E3yg005Ep3S5 

Nihilism: https://en.wikipedia.org/wiki/Nihilism