The narrative begins with Paula () and Simón ( Pablo Molinero ) discovering a young girl, Clara, wandering alone on a high road. After weeks in the hospital with no one claiming her, the couple decides to foster her temporarily. Clara’s behavior is defined by a bizarre obsession: she refuses to step outside of chalk squares drawn on the floor, believing a "monster" will punish her if she crosses the line.
This central motif of the represents several layers of the film's themes:
Paula’s descent into a dark investigative path to uncover Clara’s past highlights the thin line between care and obsession. Narrative Structure and Atmosphere
