Kit N Sam (2008)

Sam and Kit have been a faithful couple going-steady for two years. They get engaged. About a week before their marriage, Kit comes up with a proposition, which she thinks will keep their marriage a success forever. She tells Sam that till marriage they should go out and taste the forbidden fruit of infidelity, so that they don't have any desire for other men/women after marriage - after much hesitation, Sam agrees to her proposal A hilarious turn of events ensue through the misadventures of Kit and Sam as they go about trying to have affairs with other men and women - until they realize what true love is.