Ex-football star Mike Gambril meets Terry McKay on a flight to Sydney, which is forced to land on a small atoll. Both engaged to others, they become romantic on board the ship sent to take the 'plane passengers to a larger island. They agree to meet in New York three months later to see if the attraction is real. One shows up, the other doesn't, but they run into each other afterwards.

Peter Sellers stars as Harold Fine, a self-described square--a 35-year-old Los Angeles Lawyer who is not looking forward to middle age and his upcoming wedding. His life changes, however, when he falls in love with Nancy, a free-spirited, innocent, and beautiful young hippie. After Harold and his family enjoy some of her "groovy" brownies, he decides to "drop out" with her and become a hippie too. But can he return to his old life when he discovers that the hippie lifestyle is just a little too independent and irresponsible for his tastes?

On their 16. anniversary, during a shopping stroll, the lawyer Nick Fifer confesses his wife Deborah some affairs. She goes wild and insists on a divorce. After they agreed to the dividing up of their belongings, Deborah confesses having an affair, too. Now he gets very upset and wants the divorce for his part, but the last word is not spoken yet.

In the mid-80s, three women (each with an attorney) arrive at the office of New York entertainment manager, Morris Levy. One is an L.A. singer, formerly of the Platters; one is a petty thief from Philly; one teaches school in a small Georgia town. Each claims to be the widow of long-dead doo-wop singer-songwriter Frankie Lyman, and each wants years of royalties due to his estate, money Levy has never shared. During an ensuing civil trial, flashbacks tell the story of each one's life with Lyman, a boyish, high-pitched, dynamic performer, lost to heroin. Slowly, the three wives establish their own bond.

A film critic accidentally kills his lover during a spat in which she falls and hits her head. In panic...