My Best Friend's Weeding

Emily was always a no love interest type of girl. Focusing on career & staying away from boys were the only thing she used to do but in her best friend wedding he found Ethan a boy who has no interest in future and his only focus is on parties and enjoyment...See will the Miss Perfect Girl and Only Fun Boy worlds will come to a meet? If yes then How? If Yes than whats about their Differences and Relationship Problems?