Clara is a retired ornithologist, convinced that she can find the last specimen of a very rare bird extincted for 40 years. Her obsession culminated in moving to a house on a mountain, into the middle of a forest. The fragility of her psyche forces her daughter Adele to join her and try to convince her to return home. But in the woods, Adele has an encounter that makes her stay longer than she would have imagined.