Personal trainer Rebecca McCall is furious when her coworker is sidelined and she's forced to teach the "Be Your Best Bride" class. As if being a size two for your wedding photos is all exercise is good for. Could the whole thing get more vain and sexist? The class is full of preening, giggling Bridezillas, but one woman stands out. The one who confesses she's only there because her fiancée signed her up. Who does that to someone they care...