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Life Unexpected
15年来，波特兰小姑娘Lux（Britt Robertson扮演，《小镇春色》）从一个寄养家庭被推到另一个寄养家庭（注：寄养不是收养），从来就没真正安顿过。在16岁生日即将到来之际，Lux终于下定决心要自己过自己的生活，自己掌握自己的一切。穿越「法律的迷宫」，Lux被命运带到了生身父亲Nate Bazile（Kristoffer Polaha扮演，《广告狂人》）面前。这个30多岁、绰号「Baze」的男人经营着一家小酒吧，和超级懒惰的朋友Math（Austin Basis扮演）、Jamie（Reggie Austin扮演）住在一起。Baze就像个没有长大的「大孩子」，自己很多时候都不懂事，更不用说「一个快要成年的女儿突然出现」带给他的惊讶和「震撼」了！ 当Lux从Baze口中得知自己的生母是当地电台早间节目《清晨狂想曲》的著名主持人Cate Cassidy（Shiri Appleby扮演，《E星恋·罗斯维尔》）时，同样吃惊非小。自打她懂事时开始，就一直坚持收听Cate与其搭档兼男友Ryan Thomas（Kerr Smith扮演，《神奇律师》）共同主持的节目。尽管Lux与Cate从未见过面，但冥冥中有种力量把她们联系在一起－－Lux现在终于明白，那就是「血浓于水」的母女之情。 Baze带着Lux去见Cate，Cate又伤心又高兴。伤心的是，Lux竟然在寄养家庭中长大，十几年来过得一点都不快乐；高兴的是，女儿聪明、灵巧、美丽、可爱，继承了她的很多优点。法官最终裁定－－Lux还不适合独立生活。但出乎所有人意料的是……法官随后将Lux交给Baze和Cate抚养，由他们联合担任Lux的「临时监护人」。经过一番「争论」和「讨价还价」，Baze和Cate答应试一试，借此来补偿Lux从未得到过的家庭温暖。 Baze的「回归」与Lux的到来，彻底打乱了Cate与Ryan的关系。除此之外，Baze和Cate也确实不适合「为人父母」－－正如Lux自己所说的那样：「你们两个根本当不了父母，因为你们两个自己还需要父母呢！」（转载自天涯小筑）
Cate and Ryan return from their honeymoom only to discover that major changes have been made at the radio station in their absence. A very confused Baze struggles with his feelings for Cate, and ends up hooking up with the hot new bartender, Paige, at his bar. Meanwhile, Lux and Bug find themselves at a major crossroads in their relationship.
When Cate and Baze are summoned to the principal’s office at Lux’s school, they are shocked to learn that Lux is failing and must make a drastic improvement in her grades or risk being kicked out. Meanwhile, after having the rug pulled out from under her at work, Cate starts the difficult process of looking for her next job, and in an effort to be a grown up, Baze decides to interview for a position at his father’s firm.
Worried she may not pass an important exam that will help her stay in school, Lux contemplates buying the answers to the test from one of her classmates. Cate has an “interesting” day at the radio station after she accidentally eats banana bread laced with pot. Meanwhile, when a large sum of money is missing from Cate’s wallet, Ryan and Cate argue over who may be responsible for taking the money.
Cate tries to bond with Ryan's new on-air partner; Tasha returns and tells Lux she is living with a new foster family; Baze convinces Math to ask Paige out on a date.
Haley Scott and Mia come to Portland to play at a concert hosted by the radio station Cate works at.
Cate and Ryan go on a staycation to a local hotel to help make up for the fact that they never had a proper honeymoon. Unfortunately for them, Baze’s work retreat is at the same hotel.
Cate, Ryan, Baze, and Math volunteer to chaperon Lux's school camping trip. During the trip, tension rises between Cate and Ryan, while Baze grows closer to Emma. As Lux gets more intimate with Eric, Tasha urges her not to take that risk with her future.
Cate takes Paige out for some drinks, hoping that she'll spill some information about Ryan's ex-girlfriend, Julia. At the same time, Ryan joins Baze, Jamie and Math for a guys' night out, but Baze is depressed about the current state of his relationship with Emma. Meanwhile, Lux and Eric take a big risk with their relationship, which threatens Lux's friendship with Tasha.
Baze and Emma attempt to sign a high-profile client, Candy, who is clearly attracted to Baze. Lux hopes to run into Eric at her homecoming dance, but the evening takes a turn for the worse. Elsewhere, Cate digs into Lux's past and is shocked by what she finds.
When everyone ends up at Baze’s loft for Thanksgiving, it isn’t long before a few big secrets are exposed. Baze worries that his father, Jack, will discover he is dating his boss, Emma; Lux worries that her parents will find out she is spending time with Eric; Tasha worries that something very dark from her not-too-distant past will be discovered; and Cate worries that if she tells Ryan the truth it will further complicate their already complicated relationship.
Lux and Tasha are forced to deal with the fallout of their recent actions and the potential outcome could change the course of both their lives. As a result, Lux can no longer hide her past from Cate and Baze.
Eric confesses that he is dating Lux while Baze comes to terms with the fact that his father cheated on his mother with Emma prior to their relationship.
Unaware of the affair between Emma and his father, Baze considers buying a house and planning a future with Emma. Lux makes plans for a romantic dinner with Eric when she feels like he's pulling away from her, but she is shocked when Cate and Baze show up.
