Two women, one from the United States and one from the United Kingdom, swap homes at Christmas time after bad breakups with their boyfriends. Each woman finds romance with a local man but realizes that the imminent return home may end the relationship.

Tom Ripley is a calculating young man who believes it's better to be a fake somebody than a real nobody. Opportunity knocks in the form of a wealthy U.S. shipbuilder who hires Tom to travel to Italy to bring back his playboy son, Dickie. Ripley worms his way into the idyllic lives of Dickie and his girlfriend, plunging into a daring scheme of duplicity, lies and murder.

Vincent is an all-too-human man who dares to defy a system obsessed with genetic perfection. He is an "In-Valid" who assumes the identity of a member of the genetic elite to pursue his goal of traveling into space with the Gattaca Aerospace Corporation.

David, a robotic boy—the first of his kind programmed to love—is adopted as a test case by a Cybertronics employee and his wife. Though he gradually becomes their child, a series of unexpected circumstances make this life impossible for David.