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

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

Sex always gets in the way of friendships between men and women. At least, that's what Harry Burns believes. So when Harry meets Sally Albright and a deep friendship blossoms between them, Harry's determined not to let his attraction to Sally destroy it. But when a night of weakness ends in a morning of panic, can the pair avoid succumbing to Harry's fears by remaining friends and admitting they just might be the perfect match for each other?

After the indomitable and beloved founder of a scrappy theater camp in upstate New York falls into a coma, the eccentric staff must band together with her clueless "crypto-bro" son to keep the thespian paradise afloat.

At a tiny Parisian café, the adorable yet painfully shy Amélie accidentally discovers a gift for helping others. Soon Amelie is spending her days as a matchmaker, guardian angel, and all-around do-gooder. But when she bumps into a handsome stranger, will she find the courage to become the star of her very own love story?

In turn of the century London, a magical nanny employs music and adventure to help two neglected children become closer to their father.

When a huge alien probe enters the galaxy and begins to vaporize Earth's oceans, Kirk and his crew must travel back in time in order to bring back whales and save the planet.

Treasure hunter Ben "Finn" Finnegan has sunk his marriage to Tess and his trusty boat in his obsessive quest to find the legendary Queen's Dowry. When he finds a vital clue that may finally pinpoint the treasure's whereabouts, he drags Tess and her boss, billionaire Nigel Honeycutt, along on the hunt. But Finn is not the only one interested in the gold; his former mentor-turned-enemy Moe Fitch, hired by rapper-turned-gangster Bigg Bunny, will stop at nothing to beat him to it.

Extremely shy Lars finds it impossible to make friends or socialize. His brother and sister-in-law worry about him, so when he announces that he has a girlfriend he met on the Internet, they are overjoyed. But Lars' new lady is a life-size plastic woman. On the advice of a doctor, his family and the rest of the community go along with his delusion.

Over a vodka-fueled game of Never Have I Ever, a 40-something-virgin woman explores a deeper connection with the 18 year old call girl she's invited into her life.

A Christmas-loving weatherman has had a tough year; upon returning to his hometown, he bumps into a former teacher who always cheered him on, and his former crush — and things start to look up.

A British wartime aviator who cheats death must argue for his life before a celestial court, hoping to prolong his fledgling romance with an American girl.