Nate Bazile is astonished to learn he has a daughter. Lux is shocked to learn her Mother is Cate Cassidy a star on the local radio show. Baze feels bad after he discovers Lux grew up in foster care. He takes Lux to meet her Mother. Then a judge grants temporary joint custody to Baze and Cate and try to give Lux a loving home that she has longed for.
Cate and Baze are visited by a social worker to evaluate both of them as fit parents. Meanwhile, Lux is torn when her boyfriend, Bug, and her best friend, Natasha, suggest that Cate and Baze may not be in it for the long haul and that Lux should return to her old life and the people who love her most of all. While, Cate is pressured by the radio executives to deny that she has a daughter in order to saved her job.
When Baze tells his parents about Lux, they insist in making a family dinner to meet her and Cate. Cate reluctantly agrees to go, but is annoyed when her mother and sister show up. Meanwhile, Cate hears about a gang fight at Lux's school and decides to transfer Lux to her and Baze's alma mater, Westmonte.
When Lux gets suspended from school, Cate does her best to convince Principal Dugan to give Lux a second chance, but, unfortunately, her efforts may have made the situation considerably worse for Lux. Meanwhile, Baze is insulted when he finds out that Cate and Ryan are hosting a radio station event at the bar across the street.
In the midst of feeling like he is being pushed out of Lux's life by Cate and Ryan, Baze wins the chance to compete against Ryan in a radio station contest and is determined to be the last man standing. Cate contemplates finally telling Ryan the full truth about Baze, but can't bear the thought of what might happen if she does. When Tasha tells Lux she may have to move three hours away to a new foster home, Lux decides to help Tasha track down her mother who is still living in town.
Jones asks Lux to be his date for the Winter Formal. Baze finds a condom in Lux’s room, and thinking it belongs to Jones, shows up at the dance to try and stop Lux and Jones from having sex. Cate agrees to chaperone the dance, but being at her old high school for Winter Formal brings back painful memories about the night Lux was conceived.
After Lux and Bug are picked up by the police for a curfew violation, Lux's social worker decides it's time to meet with Cate and Baze to reevaluate their custody of Lux. During a meeting with the social worker, Cate, Baze and Lux agree to put on a happy face to ensure that Lux isn't placed back in the foster care system. Meanwhile, in an attempt to show Lux that she supports her, Cate offers to find Bug a job at her radio station, but winds up disappointing Lux once again.
Lux is forced to face her complicated feelings for Jones when she sees him kissing another girl at a party. When a storm hits Portland, Ryan and Lux find themselves stranded at the radio station, and Ryan learns more than he ever knew about what Lux went through as a child. Cate goes to Baze's bar looking for Lux, but the storm traps her there with Baze, Math, Jamie and her sister, Abby.
With her wedding on the horizon, Cate decides to take a road trip with Lux to find her father, Gordon (guest star Peter Horton), who abandoned her when she was a little girl. Meanwhile, when Bug’s “friends” trash Baze’s bar, Lux invites Baze to join her and Cate on the road trip, allowing Bug some time to repair the bar before Baze discovers the truth.
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 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.
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.