A Brief History of Love

A young writer begins an affair with an older woman from France whose open marriage to a diplomat dictates that they can meet only between the hours of 5 p.m. to 7 p.m.

Lifelong platonic friends Zack and Miri look to solve their respective cash-flow problems by making an adult film together. As the cameras roll, however, the duo begin to sense that they may have more feelings for each other than they previously thought.

Restless and unhappy, two couples get caught up in infidelity and deception. Barry is a sullen businessman married to Mary, a writer who is unsatisfied with their relationship. Mary begins an affair with Jerry, a smug theater professor and husband of her friend, Terri, who is also a writer. Adding to the adulterous mix are Cary, a callous doctor, and Cheri, an art-gallery assistant.

A photographer and her best friend are roommates. She is stuck with small-change shooting jobs and dreams of success. When her roommate decides to get married and leave, she feels hurt and has to learn how to deal with living alone.

A man and woman meet by chance at a romantic inn over dinner and, although both are happily married to others, they find themselves in the same bed the next morning questioning how this could have happened. They agree to meet on the same weekend each year—in the same hotel room—and the years pass each has some personal crisis that the other helps them through, often without both of them understanding what is going on.