In a comedy filled with twists and hilarious situations, an undercover agent finds himself needing to recover a valuable stolen object. However, his plan spirals out of control when, after a failed operation, he has to impersonate a baby to infiltrate the lives of a couple who have just adopted a little one. What he doesn't know is that the "baby" is actually a miniature adult, played by a well-known comedian.
The couple, completely unaware of the reality, is swept away by the cuteness of the little one, while the agent has to cope with his new lifestyle: diapers, bottles, and playtime. With each attempt to recover the lost object, increasingly absurd and funny situations unfold that test the protagonist's patience. Additionally, there is a moral dilemma: the "baby" starts to win the hearts of his new parents.
As the story progresses, the lines between what is real and what is a farce begin to blur, prompting the agent to question whether he is truly willing to carry out his mission at the cost of the happiness of the family he has been forming. With unexpected twists and hilarious moments, this film demonstrates that what seems to be a simple espionage mission can turn into a lesson about love and family.