In the bustling New York City of the 2000s, the life of an advertising executive named Kate is falling apart. Her career is focused on success, but her personal life is a total disaster. However, everything changes when an attractive and charming man suddenly appears, claiming to be a 19th-century duke. At first, Kate thinks he's crazy, but soon she realizes that Leopold has truly traveled through time via a magical portal.
Leopold, portrayed by the charming Hugh Jackman, is an idealistic nobleman who doesn't understand modern conventions. As Kate has to deal with the confusion of her strange new companion, she also begins to rediscover what true love means. Amid his awkward advances and his romantic view of life, Leopold teaches Kate to appreciate the simple things, like love and human connection—elements she had overlooked in pursuit of her ambitious career.
However, not everything is straightforward. Kate confronts her own insecurities and the complicated decision between leading a work-centered life and embarking on an unexpected love adventure with a man from another time. As the romance blossoms, the hilarious cultural differences between the past and the present lead to funny and touching situations, prompting her to reevaluate what really matters in her life. Will Kate find her way to happiness, or is Leopold's love a dream that cannot last?