White Madness.

The toxic, suffocating relationship between a dominant mother and her estranged son, Lazlo. Lazlo lives a reclusive life in a squat, spending his time painting taxidermied animals and using heroin. When his mother is involved in a serious accident and calls for him, he is forced to confront the world he tried to leave behind, leading to a grim collision between her delusions of control and his self-destructive addiction.