Agnes MacDonnell, a strong and self-confident Englishwoman, owns a large estate on an island off the west coast of Ireland. When she begins a passionate but dangerous affair with her new estate manager, Agnes wages a desperate struggle to dominate this charismatic but destructive man.

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.