Strait-laced Jordan is about to marry her perfect match, Peter a clean-cut ambitious attorney. Before she walks down the aisle, Jordan and her best friends, Claire and Jessica, head to Vegas for a bachelorette party. Determined to get Jordan to loosen up, Claire steers the girls to the hottest nightclub for a few drinks and some fun, because what happens in Vegas stays in Vegas, right? But when Jordan wakes up the next morning unable to recall the night before, she panics when she finds she is in movie star Matt Swift's hotel suite with a gigantic diamond on her finger and a marriage certificate lying nearby. Before Jordan can have the marriage annulled and put this nightmare behind her, the impromptu wedding explodes into a publicity stunt fueled by Matt’s manager Eric to promote his latest movie. With her wedding day approaching, Jordan finds herself more confused than ever when she starts falling in love with the movie star she has married to instead of the fiancé she thought was her perfect match.