Valentin (Eugenio Derbez) is a famous playboy in the city. He has been wandering in the sea of love for many years and thinks he has mastered the powerful ability of "passing through all the flowers without getting a single leaf on him". One day, the arrival of an uninvited guest completely disrupted Valentin's peaceful life. This uninvited guest was none other than a little baby who had just been born. Valentin named the child Maggie (Loreto Peralta), and thus began his "nanny" career. After that, Valentin brought Maggie to Los Angeles, intending to find Maggie's biological mother. Year after year, Maggie grew up gradually, and Valentin's career gradually got on track. The bond between father and daughter became deeper and deeper. What kind of end will this sincere and touching family relationship usher in?