Benjamin Fiedler (Daryl Sabara) is becoming a man, he about to turn 13. Ben has reached the age where he undergoes the bar mitzvahs ritual to mark the entrée to adulthood. Of course his friend Zachary Stein (Carter Jenkins)who precedes Ben warns "this doesn't mean you can drink or drive a car.
The Stern family threw a lavish affair with a movie theme based upon the Titanic. Ben's dad Adam Fielder decides the Fielders must outdo the splendor of the Sterns by renting out Dodger Stadium. Adam Fielder (Jeremy Piven) is not a little sore that his own bar mitzvahs was a subdued affair and that his father Irwin Fiedler (Garry Marshall) deserted the family.
Religion and the meaning of the rite has taken a back seat to the planning of an extravagant event. Enter grandpa Irwin who arrives a week ...