Three years into their loving marriage, with two infant daughters at home in Los Angeles, Nicholas Arden and Ellen Wagstaff Arden are on a plane that goes down in the South Pacific. Although most passengers manage to survive the incident, Ellen presumably perishes when swept off her lifeboat, her body never recovered. Fast forward five years. Nicholas, wanting to move on with his life, has Ellen declared legally dead. Part of that moving on includes getting remarried, this time to a young woman named Bianca Steele, who, for their honeymoon, he plans to take to the same Monterrey resort where he and Ellen spent their honeymoon. On that very same day, Ellen is dropped off in Los Angeles by the Navy, who rescued her from the South Pacific island where she was stranded for the past five years. She asks the Navy not to publicize her rescue nor notify Nicholas as she wants to do so herself.
After Regina Lampert falls for the dashing Peter Joshua on a skiing holiday in the French Alps, she discovers upon her return to Paris that her husband has been murdered. Soon, she and Peter are giving chase to three of her late husband's World War II cronies, Tex, Scobie and Gideon, who are after a quarter of a million dollars the quartet stole while behind enemy lines.
Mike Windgren works on a boat in Acapulco, but when the bratty daughter of the boat owner gets him fired, Mike finds new work as a lifeguard and singer at a local hotel. Tensions increase when Mike runs into the rival lifeguard—who is also the champion diver of Mexico.
In 16th century Spain, Don Francisco reluctantly betroths his daughter, Blanca, to the arrogant Don Ramiro in order to preserve the lands in the family estate. Then Don Juan, Don Francisco's nephew and Blanca's true love, returns from the war in Flanders. Don Juan dons a mask and joins with a gypsy band led by Estella to fight against the forces of Don Ramiro.
Henry J. Tyroon leaves Texas, where his oil wells are drying up, and arrives in New York with a lot of oil money to play with in the stock market. He meets stock analyst Molly Thatcher, who tries to ignore the lavish attention he spends on her but, in the end, she falls for his charm.
Set in Palm Springs during a long, fun-filled weekend where several Los Angeles college students flock to spring break, centering on Jim who finds romance with Bunny, the daughter of Palm Springs harred, stressful police chief. Jim's bumbling roommate, Biff, tries to get Amanda, a tomboyish girl's attention with a so-called love gadget. Meanwhile, Gayle Lewis is a high school senior posing as a wealthy college girl who is pursued by Eric Dean, a wealthy and spoiled college prepie, while Gayle has eyes for a cowboy from Texas, named Stretch. Also Jim and Biff's basketball coach, Campbell, tries to romance Naomi, the owner of the motel where all of the gang is staying at, which is interfered by Naomi's young, trouble-making, brat son who's dubbed, Boom-Boom.
Francis, now 17, is still in love with Moondoggy. She can persuade her parents to allow them a journey to Rome, together with two of her and two of his friends. However they have to take an adult with them, so they choose Peter's eccentric aunt. In Rome they get the beautiful guide Daniela, who's fascinating the guys and making especially Gidget jealous. She starts looking elsewhere herself.
Determined to hold on to the throne, Cleopatra seduces the Roman emperor Julius Caesar. When Caesar is murdered, she redirects her attentions to his general, Marc Antony, who vows to take power—but Caesar’s successor has other plans.
A timid, nearsighted chemistry teacher discovers a magical potion that can transform him into a suave and handsome Romeo. The Jekyll and Hyde game works well enough until the concoction starts to wear off at the most embarrassing times.
Lancelot is King Arthur's most valued Knight of the Round Table and a paragon of courage and virtue. Things change, however, when he falls in love with Queen Guinevere.
After he mends a marital rift between a vacationing young couple, the bored, fragile wife falls hopelessly in love with the husband's ex-colleague who is married to a long-suffering and emotionally and physically scarred woman. The couple soon runs off to Greece together to pursue the romance.