Mallory's handsome but shy French tutor, Jeff, finally musters up the nerve to ask her out and then courts disaster by enlistening Alex's advice on how to behave on the date.

Alex gets stuck babysitting for his little sister Jennifer, who is fed up with feeling in the way at his poker game and decides to disappear.

When Mallory's boyfriend Jeff arrives home from college and wants to go steady, she's elated, but it's soon apparent that he's a little awed by school and merely grasping at the familiar and she must decide whether to ""let go"" and accept the change in their relationship.

Mallory is nervous that Jeff may have met someone new, outgrown her or forgotten her. When the opposite appears true, and he announces plans to quit school, she refuses at first to see the obvious; that he's just a little overwhelmed by college. What's thrilling to her is self-destructive on Jeff's part.

Alex is both amazed and furious when a critical admissions interview at Princeton University is shattered by his hysterical sister Mallory, who feels her anger over discovering her boyfriend kissing another girl is more important than his college education.

Alex is overjoyed at going to Princeton for the interview, but not too keen about taking his sister along so she can visit her boyfriend Jeff at the university. He drops Mallory off at Jeff's and heads for his important interview, only to be humiliated when he has to leave the meeting to comfort his weepy sister.