In Vermont, college student Ives Towner refuses to marry his longtime girlfriend, Julie Weir, until he has a career. Soon after, Julie meets and grows infatuated with handsome writer Michael Shaw, and they marry and move to Paris. Years later, after Michael's accidental death, Julie and her daughter move back to Vermont to live with her aunt and Julie finds Ives, now a professor, disinterested in resuming their romantic relationship.

Set in Paris, this romantic comedy revolves around the beautiful estranged wife of a wealthy banker who hides a handsome and fiery Communist fugitive in her apartment.

Aspiring actress Louise Muban attends the prestigious Paris School of Drama during the day and works at a dreary factory assembling gas meters at night. She daydreams and "acts" her way through life, and her fellow students at school begin to suspect her stories are just that - fabrications. After Louise begins to weave an actual meeting with a debonair playboy into a fantasy of club dates and romance, her classmate Nana discovers the lie when she too meets the playboy. Nana sets a trap for Louise, and the result is an end to one fantasy and the realization of another.

Having once again avoided criminal conviction, Professor Moriarity develops a murderous plan to “finish off” his last major nemesis, Sherlock Holmes, by making him fail to prevent the perfect crime. Does it involve a family curse, the crown jewels of England, or something else…