Benjamin Fiedler (Daryl Sabara) has a lot to be nervous about; his bar mitzvah is fast approaching, and his parents (Jeremy Piven, Jami Gertz) are caught up in plans to make his party even more lavish than the one the Steins threw for their son. Amid his family's debate over whether to invite an estranged grandfather (Garry Marshall), the youth solves the problem by arranging for Grandpa to arrive two weeks early.