Hédi, a 35-year-old telemarketer, moves into a dilapidated apartment in the city. Behind the peeling wallpaper, he discovers four wooden planks nailed to the wall. Behind them lies a large red button. Consumed by curiosity, Hédi becomes increasingly obsessed with the button, wondering what might happen if he presses it. As his fixation deepens, he isolates himself from the world, his life unraveling under the weight of his obsession.