Alacant, 1960. Teresa, a single woman in her forties, runs a tiny homeware shop when a product that will change her life falls right into her lap: Duralex. Business thrives. Teresa enjoys partying and travelling with friends, as well as the company of multiple lovers she always refuses to marry. However, her entire world turns upside down with the arrival of Ramon, a shop assistant half her age who will force her to come face to face with all her contradictions.