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.
Lux is suspended from school, leading Cate to try to convince Principal Dugan to let her have a second chance. However, Cate's best intentions may do more harm than actually help Lux. Meanwhile, Baze is upset when Cate and Ryan host a radio show from a bar across the street.
Lux throws a party at Baze's loft to impress her new friends, particularly the high school quarterback, Jones. Meanwhile, Cate worries that her relationship with Lux will never be as strong as the bond between Lux and Baze.
After being pressured by management at the radio station, Cate and Ryan reluctantly invite Base to join them on-air. However, his time on the show quickly turns into a public therapy session. Meanwhile, Lux tries to get Jones to drop the charges against Bug, her boyfriend.
When Baze begins to feel like he's being pushed out of Lux's life by Cate and Ryan, he wins the chance to compete against Ryan in a radio station contest, and is determined to beat him. Cate debates whether or not to tell Ryan the truth about Baze, but is worried about what consequences the truth may have. Meanwhile, Tasha tells Lux she may be moving three hours away, causing Lux to set out to find Tasha's birth mother who is living in town.
Cate and Ryan are forced to put on a happy face as the hosts of a wedding expo, but the unfortunate situation becomes even more unfortunate after Baze and Math show up at the event. After watching Lux mope around the house for days, Baze solicits help from Jones in an effort to cheer her up.
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 has to confront her feelings for Jones when she sees him kissing another girl at a party. A storm hits Portland, leaving Ryan and Lux stranded at the radio station. While stranded, Ryan learns more about Lux's childhood in the foster care system. Meanwhile, Cate goes to Baze's bar to look for Lux and ends of trapped there with Baze, Math, Jamie, and her sister, Abby.
As her wedding approaches, Cate takes off on a road trip with Lux to find her father, Gordon, who abandoned her when she was a little girl. After Bug's friends trash Baze's bar, Lux invites Baze to join the road trip so Bug has time to repair the bar before Baze discovers the truth.
With her wedding fast approaching, Cate must confront her true feelings for the two men in her life, Baze and Ryan. To complicate Cate's already conflicted feelings, on the day of the wedding, Lux reveals something that threatens to change all of their lives forever.