The Family Man

The Family Man is a 2000 American romantic comedydrama film directed by Brett Ratner and starring Nicolas Cage and Ta Leoni. Cages production company, Saturn Films, helped produce the film. The film centers on a man who sees what could have been had he made a different decisionyears prior.

The next morning, on Christmas Day, Jack wakes up in a suburban New Jersey bedroom with Kate and two children. Shocked and confused, he hurries back to his office and condo in New York, but not even his closest friends recognize him. Confused, Jack runs out to the street and encounters Cash, who is now driving Jacks Ferrari. Cash explains that Jack is experiencing a glimpse of an alternate universe in order to learn a lesson. The crux of the lesson is unknown and is personal to Jacks life. He advises Jack to take the time to learn whatever it is that he needs to learn.Jack realizes that he is living the life he could have had if he had not gone to London to study and become an investment banker but had stayed in the United States with his girlfriend at the time. He instead has a modest family life, where he is a car tire salesman and Kate is a nonprofit lawyer. Very soon, Jacks young daughter realizes his secret, thinks he is an alien and decides to assist him in surviving his new life. Jack struggles to fit into the role of a family man, making many serious blunders such as missing opening Christmas presents, flirting with a married woman, and forgetting his anniversary. He begins to succeed in his life, bonding with his children, falling in love with his wife, and working hard at his dull job. ........

Source: Wikipedia