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 medieval English knight is magically transported to present day where he ends up falling for a high school science teacher.

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.

A charitable and spirited Newport socialite in 1905 finds out her father intends for her to become engaged to a man she’s never met at the upcoming Christmas Eve ball. When she wishes for a different life, a man appears — and she somehow time-travels to 2025.

Maggie and Julianne are ex-girlfriends who unexpectedly rekindle the spark during a hometown visit for the holidays. Are they meant to be? They'll have to navigate their feelings, the gossiping town, and ghosts of exes past to find out.

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.