When the machines stop and the workers return to their homes, a strange stillness hangs over the plantation. No insects can be noticed, just the slight rustling of the wind against the foliage. 7 year-old Helena lives with her parents; workers on a large soy farm in southern Brazil. She suffers from sleepwalking and since her mother is diagnosed with cancer, she becomes close to Poñy – an AváGuarani indigenous woman who lives alone in the vicinity.