Daniel Hillard, an unemployed voice actor and devoted father, faces a harsh reality when his wife, Miranda, decides to file for divorce. Heartbroken and eager to stay close to his three children, Daniel feels frustrated as he watches his life crumble and his role in the family threatened. In his attempt to see his little ones again, he devises an unconventional plan: he disguises himself as an elderly nanny named Euphegenia Doubtfire.
With a gray wig, impressive makeup, and a hilarious accent, Daniel manages to land the nanny job for his own family, convincing Miranda that he is the best option to care for the kids. However, chaos ensues when Daniel, in his double life, must juggle parenting the children, his auditions, and encounters with Miranda, all while trying not to get discovered.
As the plot progresses, comedic situations and misunderstandings multiply, leading Daniel to learn valuable lessons about parenting and the true nature of family love. With memorable performances, especially from Robin Williams, the story becomes an emotional journey filled with laughter, tears, and a deep reflection on parental responsibilities. In the end, Daniel must confront his own mistakes, rediscover his identity, and understand what it truly means to be a father.