Mary a 60 year old woman and her driver have an afair

A headstrong young teacher in a private school in 1930s Edinburgh ignores the curriculum and influences her impressionable 12-year-old charges with her over-romanticized worldview.

Muriel Spark's classic novel The Prime of Miss Jean Brodie was adapted by Scottish Television into a seven episode television serial for ITV in 1978 that featured Geraldine McEwan in the lead role. From Wikipedia.

The story of an old Jewish widow named Daisy Werthan and her relationship with her black chauffeur, Hoke. From an initial mere work relationship grew in 25 years a strong friendship between the two very different characters, in a time when those types of relationships were shunned.

Driving Miss Daisy tells the affecting story of the decades-long relationship between a stubborn Southern matriarch and her compassionate chauffeur. An iconic tale of pride, changing times and the transformative power of friendship, the play has warmed the hearts of millions of theatergoers worldwide.

Mary and Nikos are a happily married couple whose life turns upside down when Mary’s friend, Lilly, borrows their new car. When Lilly crashes the car, she asks Mary to cover for her so that her husband doesn’t find about her new affair. The case of the car crash is brought to court, and Mary is accused. Things get so complicated that not even Lilly’s confession can solve the misunderstanding.

A lonely, elderly lady strikes up a friendship with a driving instructor.

An out of wedlock pregnancy forces eighteen-year-old Mary to take things into her own hands at great personal risk, altering the course of more than one life.

Married for 22 years, Mary Emerson treats her husband, John, more like a son than a husband. He is stung by her rebuffs and, therefore, succumbs to the youthful charms of Gloria Sanderson, whom he meets on a business trip. But just after he mails a letter to Mary telling her that he will not return, John finds Gloria in the arms of her fiancé.

A woman fights to save her relationship by any means

Mary has married Jack Langdon , the physical instructor of the young ladies' seminary where she is being schooled. Because she is underage and risks losing the fortune her uncle has left her, Mary is compelled to keep the marriage a secret, but a baby adds to the complications. At first the young couple leaves it in the care of an Indian woman. Waldo Pennanink , the son of the school's headmaster, becomes suspicious of all the time the couple is spending with the Indian woman and the baby.