The Fuentes family isn’t exactly the picture of harmony. Work, school, and the daily grind have thrown them into a spiral of disconnection that seems impossible to stop. However, everything changes when the youngest member, Valentina, makes a birthday wish on her ninth birthday. The next morning, the entire family wakes up in each other's bodies: the father is now in his wife’s body, the little girl is trapped in her grandmother’s body, and the teenage twins aren’t themselves anymore. Chaos ensues, leaving everyone asking: Who’s who?

As the family faces absurd situations and hilarious predicaments, the Fuentes must learn to walk in each other's shoes and trust one another to reverse the situation. But will they be able to return to their original bodies and regain control of their lives?