The excellent family series begins when Bill Davis, a fantastic construction engineer, unexpectedly adopts Buffy, who along with Jody and Cissy, have lost their parents in an accident. Buffy comes first and at first, Bill doesn't like her and wants to send her back to Terre Haute. Buffy gets the feeling that Bill doesn't like her and runs off to hide in the basement. Bill tells her that he likes her and wants her to stay. In the end, when Bill gets ready to leave for a trip, Jody and Cissy come to be with Buffy.

Cissy learns a lesson in snooping when she is to do a paper on Mr. French and finds a shocking secret about him.

Buffy and Jody play matchmaker for Mr. French, but he thinks that they do not want him around because he punished them so severely.

Buffy and Jody wants to know where babies come from, and a whole bunch of stories confuses not only them, but parents as well. Cissy then tells them the right procedure of how babies are made.

Bill wants to move to a house in the suburbs, but the kids persuade him to stay where he is.

Mr. French thinks he is left out of Cissy's drawings for school.

French contemplates marriage to raise his professional esteem.

A young woman pursues Mr. French.

Poison-pen letters implicate Mr. French in a scandal.

Mr. French gets a role as King Henry VIII in a film production, only to have him look really stupid.

An ex-convict ask Bill for help finding a job

The twins plan a surprise birthday party for Mr. French.

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.