In a quiet and picturesque town, two stepdaughters have the perfect life of dreams, or at least that’s how it seems. When their father's new wife arrives, things take an unexpected turn, and the girls find themselves in a battle for the affection and attention of the man who has always been their world. The ambitious American mother, who has never lacked aspirations, quickly becomes a challenge for the mischievous young girls, who are determined to make her life a true chaos.
Every attempt by the stepmother to create a family environment turns into a hilarious series of disasters: from burnt meals to unusual fashion experiments that make the family image more comical than ideal. Meanwhile, the stepdaughters come up with outrageous plans to sabotage their father’s relationship with his new partner, leaving everyone in absurd and misunderstanding-filled situations.
But amidst the antics and conflicts, family bonds begin to change. What started as a battle of wits transforms into a lesson about love and acceptance. The stepdaughters realize that their father truly wants to be happy, and little by little, they begin to see their new mother in a different light. In a comedy of errors that culminates in an emotional resolution, the family learns that true unity is forged by adapting to and accepting each other's quirks.