The Buchmans get off on the wrong foot with the neighbors across the hall, Hal and Maggie Conway (guest stars Paxton Whitehead and Judy Geeson), and each subsequent step to improve relations. However, that decidion seems to be making the matters worse.

The first day back from the hospital finds Paul and Jamie still figuring out how to care for their daughter and what to name her, until help arrives in the form of Jamie's mother.

Paul's birthday party turns into an event worthy of a detective mystery when Maggie and Hal suspect Buchman party guests of stealing a prestigious painting from their adjacent apartment. Meanwhile, Marvin gets into a growling match with Murray.

Jamie and Paul have a full house for Thanksgiving dinner. Meanwhile, Mabel may be allergic.

When Paul inadvertently injures Hal, he hires the nurse who attended to him after his tonsil removal. Jamie hates her, which leads to a fight. To end the argument, Hal suggests the British tradition of burying the fight.

To save the store, Ira plans to give away a car to the person who keeps their hand on it the longest. Since he can't afford it, he wants all of the contestants to be ringers.

Jamie's dress is ruined by a dry cleaner who is unwilling to make restitution. Paul has a dream where Einstein gives him a partial solution to the millennium bug. He needs to have the dream again, so he can get the rest of the solution.

Mabel's first real film is a biography, looking back at her family's twisted history.