Marcy, a worker in the reelection campaign of bumbling Senator John McGlory, is sent to Ireland on a quest to find the Irish ancestry of Sen. McGlory, to help him win the Irish vote. But when Marcy arrives in the small village of Ballinagra, she finds herself in the middle of a matchmaking festival, and the local matchmaker is determined to pair her off with one of the local bachelors.

In an Arctic village in 1931, British mapmaker Walter Russell selects 12-year-old Eskimo Avik as his guide. When the boy contracts tuberculosis, Walter flies him to a Montreal hospital, where Avik meets Albertine and is infatuated. A decade later, a grown Avik encounters Albertine again in London, where he's serving as a British combat pilot. Despite her relationship with Walter, she and Avik begin an affair.

Lewis, a young amateur theater director, is offered a job with a governmental program for the rehabilitation of mentally ill patients in a Sydney institution. His project is overrun by one of the patients, who wants to stage the opera Cosi Fan Tutte by Mozart, despite the fact that none of the patients can sing or speak Italian. A comedy of errors ensues, but one which unifies the patients and their director in unexpected ways.