On the eve of the 1989 revolution in Romania, Dr. Daniel Pavenic sits down to dinner with some friends and discusses his past and his obsession with his housekeeper. His shocking honesty eventually leads to his guests also disclosing some of their own secrets.
A beautiful English socialite, Diana Standing, and her wealthy fiancé Gerald Hume arrive at the train station in Cairo, Egypt, where they plan to be married. Although her mother was Egyptian, Diana considers herself part of the British upper class. At the station, she is noticed by Jamil El Shehab, a handsome good-natured Egyptian dragoman who enjoys romancing women tourists and freeing them from some of their jewelry.
New York City streetwalker Mae (Carole Lombard) is told by police to leave New York. However, she gets off the train at a suburban station, taking the cab of Jimmy Doyle (Pat O'Brien). He says he knows women well and does not think much of them.
Robert Teller (Kirk Douglas) visits a seaport in the south of France in the early 1950s. He reflects back to his time in the army shortly after Paris has been liberated. Years earlier, to get away from the barracks and the other soldiers, Robert rents a room in a hotel-restaurant.
After their parents have died, Emma and her siblings spend a nostalgic Christmas in their family home before putting the house on Honeysuckle Lane up for sale.
Lawrence "Rip" Smith is a former basketball player and veteran who now runs a company that performs polls and consumer surveys. Lately he has started obsessing about being able to find a perfect mathematical "miracle formula" to perform the perfect survey, and compete for real with his rival companies. Because he lacks funds, he is far behind his number one rival, George Stringer.
The wealthy John G. Rarick has made a huge success of a chain of five and ten cent stores and decides to move his family, including his daughter Jennifer, from Kansas City to New York. Jennifer is delighted to move amongst the social elite but faces snobbishness because of her background.
Nan Reynolds struggles to run the household on her meek husband Bill's meager salary as an office manager. She urges him to apply for better jobs elsewhere, but he is disinclined to take risks, and his lack of ambition is placing a strain on their marriage. Pat Berkeley, who attended high school with Nan and Bill, is hired by his firm as an advertising copywriter, and her success prompts Nan to coerce her husband into asserting himself with his boss.
The plot is set in New York City over three days, following the lives of 10 different characters who interact in various sexual encounters, each leading to the next. It begins when a young woman named Julie meets at a loft with her former anthropology professor, Adam, where she tells him that she is a virgin and wants him to take her virginity. Afterward, the plot shifts to Adam, who visits a tarot reader named Erika for advice on his sexual prowess and superstitions.
A brilliant scientist, Bill Beck, ends up happily married to Julie, his doctor's receptionist. Five years after their wedding, the same doctor treats Julie for a heart condition that she decides to keep secret from her husband, who is doing serious work as a physicist developing guided missiles. Not wishing him to be left alone if she dies, Julie suggests they adopt a child.
Helen Chernen is an ambitious woman, determined to escape poverty in a dirty steel town. She pushes her younger sister Katie into a marriage with singer/dancer Albert Runkel. Katie has no interest in the man, but she is desperate for a better life.
Popular crooner Russ Raymond abandons his career at its peak and joins the Navy using his real name, Tommy Halstead. However, Dorothy Roberts, a reporter, discovers his identity and follows him in the hopes of photographing him and revealing his identity to the world. Aboard the battleship , Tommy meets up with Smokey and Pomeroy, who help hide him from Dorothy, who hatches numerous schemes in an attempt to photograph Tommy/Russ being a sailor.
Having suffered the death of her boyfriend, Claire McKay is brought by her mother to Ironbound Island in the hopes that time away from the city will allow her to recover emotionally. On the island where her mother was born, Claire meets an eccentric writer, Celia, who in flashbacks, relates her own story as a grief-stricken teenager in 1949. Celia—Silly in the flashbacks—is the next chosen victim of a Viking curse which was placed on the island centuries ago when their longship sank in the bay.
American Homer Smith is the star reporter of a small newspaper, which is named the best small town newspaper in the country. As a reward for his contributions, he is sent to North Africa to report on the war. In the Mediterranean, however, his ship is sunk; he and one other survivor, Philo Cobson, make it to shore.
Leevi returns to Finland from his university studies in Paris to spend the summer helping his father Jouko renovate the family lakehouse for sale. Leevi is estranged from his conservative father, his only living relative, and hopes to avoid mandatory military service by obtaining French citizenship. Tareq, an architect by profession who has come to Finland from war-torn Syria seeking asylum, has been hired to help with the work.
The renowned New York City millionaire Jonathan Reynolds is dying, and his son Johnny returns from Mexico City to his deathbed. The attending physician, Dr. Harvey, informs Johnny that his father does not have much time to live and that his last wish is to get to meet Johnny's future wife.
Pendleton "Penny" Wise, a talented telemarketer who can sell almost anything over the phone, makes a fine living doing phone sales until the company that employs him goes bankrupt. Penny is approached by Caitlin Carlson, who is hiring telephone salesmen for Kelly Grant, a legend in telemarketing, but Penny is unsure if Grant's latest venture, selling shares in a gold mine, is legitimate.
In 1961 Long Island, 10-year-old Alice Bloom is infatuated with 17-year-old Sheryl O'Connor, who lives across the street. She often watches her from her bedroom window. Alice starts to copy every detail about Sheryl, including her perfume and even the record she listens to.
In an AA support group, womanizing bartender Kevin is talking about how he thought his relationships with women would change after he stopped drinking. Kevin sees a woman he wants, but loses interest in her after he gets her. He realizes this is not a healthy relationship pattern but does not know how to change it.
Molly Mahoney forms a vaudeville act with her fiancé Eddie Kerns. Working at a local dance school in small-town Nebraska, she longs to become a star performing on Broadway. Eddie persuades her to leave town for New York City, and after their arrival, Eddie debuts on the radio with his so-called singing canaries.
At a nightclub, Jimmy Dorsey and his orchestra perform "One O'Clock Jump", attended by Broadway star Constance "Connie" Shaw and her fiancé Larry West. Shaw's obsessive fan Joseph "Joe" Renolds also attends, having constantly following her across town. After Dorsey's orchestra finishes, Shaw tells her radio audience she is performing a Western rope dance at a nearby theatre.