After twenty years of happy marriage, a devoted housewife is determined to get something off her chest.
After twenty years of marriage, Giannis and Sofia share a quiet and orderly life, full of mutual understanding and love. However, when Sofia stops by at the plumber for a broken water heater on a bright and sunny Saturday morning, things will never be the same again. Upset and shocked, Sofia will gather up her husband, their teenage daughter and her friend Pepi in the living room, determined to get something off her chest. There, in front of everyone, Sofia will start sharing her urgent and mysterious secret: "I really have to tell you something..."