Following the sudden death of their mother a pair of estranged siblings must revisit their family home and fractured relationship.

As the air has become unbreathable, humanity has learned to adapt and reorganise itself, living in isolation. Carla rarely leaves her apartment just like anyone else. The unbroken cycle of sleep, eat, work is taking its toll. Then one day a young couple moves into the apartment in the building opposite. Carla's life is about to change.