尼克·斯皮茨和奥德丽·斯皮茨成立了一家侦探社，随后他们的亿万富翁朋友在他自己的婚礼上遭人绑架，为这对夫妇提供了一战成名的好机会。

Charlie is a charming playboy who doesn't believe in serious relationships. His best friends bet him that if he sticks to one woman for one month, he's bound to get attached. Charlie denies this yet accepts the seemingly easy challenge, until he cross paths with the beautiful and mysterious Eva. They may agree to a casual affair, but eventually Charlie is questioning whether he may actually want more.

雷根（克尔斯滕·邓斯特 Kirsten Dunst 饰），吉娜（丽兹·卡潘 Lizzy Caplan 饰）和凯蒂（艾拉·菲舍尔 Isla Fisher 饰）是学生时代的好友，年少时期的轻狂为三个女人带来的美好的回忆，但对另一个女孩贝姬（瑞贝尔·威尔森 Rebel Wilson 饰）来说，事情就完全不同了。原来，心宽体胖的贝姬曾经经常遭到雷根一伙人的嘲笑，她们甚至为她取了“猪脸”这样一个可笑又愚蠢的外号。

时间流逝，贝姬即将结婚的消息犹如一枚炸弹丢到了三个女人的身边，不仅如此，贝姬还邀请了她们来做她的伴娘，“猪脸”都有了老公，三个漂亮的单身女人感到了危机。在婚礼之前，雷根决定为贝姬办一场单身派对，但此时的她不会想到，这个派对会带来怎样的麻烦与疯狂。

When writer's block derails the literary dreams of Olly Pickering, he has to move in with his friend Murray after losing all his money. Things start to look up when Olly's college pal James asks him to be the best man at his wedding. Prior to the nuptials, Olly is drawn to a woman whom he thinks is the bride's sister -- only she turns out to be the bride, Sarah. Can Murray, who dislikes James, help get Sarah and Olly together?

A dinner party with old friends takes a shocking turn as wounds are exposed, revelations are made, and the past resurfaces. Over one tense evening, Cynthia learns that some things can never be unsaid.

After realizing one of the “gently used” items in her secondhand store is actually an antique teapot worth $80K, Rose McGovern finds herself the sights of Joe Burnsides an ambitious antique broker. He’s determined to buy the teapot from Rose, but she refuses to sell until she can find the original owner.