受动荡时局所迫， 英属加勒比的一位独裁者逃离岛国，与美国郊区一位叛逆少女住在一起，教这位女孩如何开始一场革命，推翻高中坏女孩的统治。

A new romance for Abigail arrives right in the midst of her parent's chaotic antics. After a lifetime of dysfunctional hilarity, the family, accompanied by an estranged brother, must embrace for one last goodbye.

　　充满抱负的，却不得志的漫画家约翰在纽约打拚。因为得知母亲生病的消息，他不得不和怀孕8个月的女友 Rebecca（安娜·肯德里克饰），先后回到那个他一直试图永远逃离的家乡。重返小时成长的城市，他一方面要和许久不见的家人照顾生病的母亲，又要处理好与高中求学时期的爱情竞争对手，热情过度的的前女友的人际关系。随着重新进入自己的家庭，他慢慢发现，不单单是自己面临着工作、爱情、生活上面的困境，自己父亲的小公司面临破产，大哥离婚后依然不断纠缠前妻，母亲的病似乎非常凶险，霍拉斯家的每个人都面临着自己人生的困境，逃无可逃，他们不得不面对这一切问题。

　　Astronomer Bill Whitley is so preoccupied with the new comet he's discovered that his time at the observatory sometimes comes at the expense of his beautiful wife, Vicky. When the neglected spouse becomes influenced by an eccentric neighbor into believing in the power of astrology, she subscribes to a weekly horoscope from a phony seer, the appropriately named Margaret Sybill. When the beautiful Mrs. Whitley reads that a new dream man will be coming soon into her life, she assumes he's taken the form of Lloyd Hunter, a handsome and dashing foreign correspondent who doubles as the neighborhood air raid warden. A frantic Bill realizes that he's going to have to keep closer track of his earthbound heavenly body if he's going to keep the prediction from becoming a self-fulfilling prophecy.

　　《完美音调3》是系列影片《完美音调》的第三部，主要讲述了发生在《完美音调2》之后的故事，贝拉组合在毕业后再战大舞台。然而曾经风光一时的她们如今日子过得也并不顺利，潦倒的合唱团姐妹们一事无成，生活的不如意，工作的不顺心让姐妹们更加急切想要表现自己，重新获得辉煌。趁着美国劳军协会将在欧洲举办劳军表演，大家决定团结起来，争取获得表演的邀请，然而时过境迁她们仿佛不再受欢迎，为了重回大众视野，也为了证明自己，姐妹们必须放手一搏。

　　谁说聪明才智不等于美丽，她们自认是集智慧与性感于一身的呛辣妹妹！寇妮、茱莉、丽兹三位在学校的风云人物，她们因恶作剧害死了一位女孩，三个女孩开始紧张渐渐的漏出狐狸尾巴...