The Family Man (2000)

Jack Campbell is a Wall Street trader living the high life in New York City. When Jack, who has forsaken all for the pursuit of money, becomes involved in a grocery store holdup, everything changes. He awakens the next morning, on a snowy Christmas day, lying in bed next to a wife--Kate, the college sweetheart he dumped when his career ambitions took hold--whom he never married, and in a house with two kids he never had. Now living in New Jersey in an alternate suburban universe, he has a chance to see how his life would have turned out had he married Kate and raised a family. Jack soon begins to feel strangely comfortable in the new role of loving husband and father, finding himself happy in the life he would have led had he made different choices as a young man.