Lucía believes she leads a perfect life and has everything under control. Since she got married, she has poured all her efforts into caring for her ideal family. But everything begins to fall apart the day Sara, her son’s girlfriend, appears: a young, free-spirited, and outspoken girl, along with a very different in-laws than the family Lucía always envisioned for her son. From that moment on, Lucía will discover that the perfect family was not exactly what she thought.