Tilda’s days are strictly structured: she studies, works at the supermarket, looks after her little sister Ida and her alcoholic mother. This summer, though, things look like they might change when Tilda receives a promising job offer for a doctorate in Berlin. Not to mention, Viktor turns up, who, just like her, always swims 22 laps at the public pool. But then, just when she gets her hopes up for a better future, the situation at home spirals out of control.