Mr. French, Cissy, Buffy and Jody decide to give Bill some time alone for the weekend. Unfortunately, while they are away, a barrage of neighbors stop by, disrupting Bill's relaxation, peace and quiet.
A former friend of Bill's visits, asking for a favor. Harv has just gotten out of prison and needs to find a job. The twins are afraid of Harv, and Cissy thinks she can help him adjust to living outside of prison again.
Cissy decides it is time to move out on her own, so she moves into an apartment with a friend. It seems like she hasn't left home when when her family constantly visits her. She tells them to let her enjoy her own place by herself.
Since most of Cissy's friends are getting engaged and married, Cissy decides it it is time for her and Gregg to be engaged, even if Gregg does not want it.
Buffy breaks her leg while playing games with friends. When Uncle Bill tells her she will not be able to go to the circus, she is sad. Uncle Bill saves the day by bringing the circus act to the apartment building.
The twins make friends with a boy who does not have any parents and has run away from an orphanage. They hid him in the apartment, moving him from room to room, so the others do not find him.
When Bill is in Hong Kong for business, he works with Ng Ho. Bill is impressed with Ng Ho, and invites him to visit in New York. When Ng Ho stays with the Davis' he starts to help around the apartment, too efficiently, and upsets Mr French.
Uncle Bill and Mr French take the twins on vacation to Boston while Cissy spends her vacation time in New York. Everyone seems to be off sync as they miss each other.
A former sweetheart of French's, once a common worker, is now a wealthy single woman. She asks Mr French to visit her in England, with the hopes to pursue their relationship.
Buffy and Jody's pet hamsters seem to always escape their cage and then get out of the apartment building. The twins realize the hamsters want to be free.
Cissy, Buffy, and Jody's grandfather visits, but cannot seem to get used to the grown-up children from the young children as he remembers them. Worse, the children do not remember him.
While Bill is in Vermont for business, he asks Mr French and the twins to visit there since it is so pretty. As French drives up, a snow storm turns into a blizzard and they are forced to take refuge in an abandoned cabin.
A friend of Buffy is deaf, and Uncle Bill asks a friend of his, a doctor who specializes in deaf children, to see if he can do anything for the little girl.
When the twins hear a psychic predict that a tidal wave will wash away New York, nothing and no one can change their minds that this is going to happen.
When Jody & Buffy learn a classmate can do anything he wants in his home, the twins think they should be allowed the same freedom. Uncle Bill and Mr French decide to let them have what they want so they can learn it is not always the best.
Jody meets Chaps Callahan, an actor who played a cowboy in the movies. Jody worships him, but learns a lesson when he learns that Chaps is now an old man and not able to do everything he used to do in movies.
Mr French tries to help a friend by talking to the daughter about the life of being an actress. His efforts are negated when Bill finds the daughter an acting position.