Eight very different couples deal with their love lives in various loosely interrelated tales all set during a frantic month before Christmas in London.

After Dr. Bill Harford's wife, Alice, admits to having sexual fantasies about a man she met, Bill becomes obsessed with having a sexual encounter. He discovers an underground sexual group and attends one of their meetings -- and quickly discovers that he is in over his head.

After two American prisoners are killed by guards in the act of escaping from a German POW camp in World War II, barracks black marketeer J.J. Sefton is suspected of being an informer.

A small suburban town receives a visit from a castaway unfinished science experiment named Edward.

Bud Baxter is a minor clerk in a huge New York insurance company, until he discovers a quick way to climb the corporate ladder. He lends out his apartment to the executives as a place to take their mistresses. Although he often has to deal with the aftermath of their visits, one night he's left with a major problem to solve.

Regulars gather at The Blue Jay, a gay bar in Manhattan's Greenwich Village, to celebrate Christmas Eve 1971 with people they consider family.

Will Freeman is a good-looking, smooth-talking bachelor whose primary goal in life is avoiding any kind of responsibility. But when he invents an imaginary son in order to meet attractive single moms, Will gets a hilarious lesson about life from a bright, but hopelessly geeky 12-year-old named Marcus. Now, as Will struggles to teach Marcus the art of being cool, Marcus teaches Will that you're never too old to grow up.

Ray and Ken, two hit men, are in Bruges, Belgium, waiting for their next mission. While they are there they have time to think and discuss their previous assignment. When the mission is revealed to Ken, it is not what he expected.

Kristina and Sture is married and has a little baby boy, Olle. Sture is an architect and while he is struggling with his business, his wife Kristina gets lonesome and starts to get take an interest in Sture's Norwegian architect colleague, Arne Ranck.

Gina and Seth have been pen pals for 13 years and now will have the chance to meet. Both used their best friends pictures to send to each other and now will let their friends meet. True love is found in the end for all.

A shady lawyer attempts a Christmas Eve crime, hoping to swindle the local mob out of some money. But his partner, a strip club owner, might have different plans for the cash.

An uptight, conservative businesswoman accompanies her boyfriend to his eccentric and outgoing family's annual Christmas celebration and finds that she's a fish out of water in their free-spirited way of life.