The central image of the film—the mother’s face wrapped in bandages—acts as a literal and metaphorical wall between the parent and child.
By hiding the mother’s facial features, the film strips away the boys' primary source of comfort and recognition. This visual void allows the twins, Elias and Lukas, to project their fears onto her, eventually convincing themselves she is an imposter .
The cold, isolated architecture of their home reinforces the emotional sterility and the "endless gulf" between the children’s perspective and the adult world.
The mask transforms a familiar figure into something "uncanny"—almost human, yet horrifyingly different. This visual shift mirrors the psychological distance caused by trauma, as noted by critics at Rotten Tomatoes . Symbolism of Isolation and Trauma
The imagery extends beyond the mask to the setting and the boys themselves: