Welcome back!
On the eve of Lucas and Lindsey’s wedding, they conspire to save Nathan and Haley’s marriage; Brooke pairs Peyton with an old boyfriend; Rachel and Dan return to Tree Hill.
Brooke runs into someone from her past while on a trip to New York with Owen. Nathan and Lucas attend Dan’s hearing while they try to protect Jamie from him. Mia gets an offer from a major record label and in the meantime, Haley and Nathan’s marriage is on the rocks.
Haley, Brooke, Peyton, Lindsey and Mia get locked in the Tree Hill High library; Brooke tries to stand up for her mother; Lucas and Nathan struggle with the decision to tell their loved ones about their indiscretions.
Brooke continues to pursue Owen. Haley sees something happen in Peyton’s office. Quentin needs to change his negative approach in order to succeed in the season-opening game. Mouth tries to win Millicent back.
The Honorary Title performs at Tric and Mia plays her song there as well. Carrie tries to get closer to Nathan. Brooke sets Mouth up on a blind date and Lindsey confronts Lucas about Peyton.
It’s confrontation time in Tree Hill, as Lucas confronts Peyton about her nasty behavior towards Lindsey and Brooke must confront Victoria about meddling with Peyton’s record label. Meanwhile, Nathan begins to grow closer to Carrie, Haley continues to struggle in dealing with Quentin, and Mouth must choose sides between his co-workers or Alice.
In this flashback episode, memories are looked back upon. Lucas surprises Peyton in Los Angeles and they talk. He asks her something and is left with a surprising answer. Nathan’s temper triggers up after a guy reminds him of his cheating in high school basketball games.
Peyton wants Haley to work with Jason on his music but he refuses to. Mouth is involved in a relationship with his boss and age is a factor in it. As the opening of Clothes over Bros approaches, Brooke finds herself in problems. Nathan takes strides to help Quentin.
Now that Peyton and Brooke are back in Tree Hill, Lindsey worries that the two might threaten her and Lucas’ relationship. Meanwhile, Nathan visits Dan in prison (his first visit in four years) and gives him a picture of his grandson. Haley tries to persuade Quentin to return to school. Brooke opens her store in the old Karen’s Cafe. Peyton signs her first band.
Haley tries to make Nathan understand what is going to happen if he doesn’t change his ways. Lucas and Skills prepare James to compete in a racecar competition. Meanwhile, Brooke faces problems at her company and Peyton meets Lucas’ new girlfriend. Mouth gets a job but it doesn’t turn out well.