One Tree Hill

It's been four years since the gang left Tree Hill, and many things have changed.

Tensions run high as Lucas must face his past and choose his future, all while discovering the demands of coaching the Tree Hill Ravens.

Lucas's editor wonders about Lucas and the timing of his recent creative inspiration.

While Brooke makes plans for Clothes over Bros, Peyton finds she has her hands full when the musician she just signed turns out to be problematic.

Set three years in the past, Lucas visits Peyton in Los Angeles with an offer that will change their relationship forever. Under pressure from Victoria, Brooke must make a difficult decision about the future of her clothing line.

Lucas confronts Peyton about her harsh treatment of his editor, Lindsey, and Brooke intervenes when Victoria meddles with Peyton's record label. Meanwhile, Nathan grows closer to Jamie's live-in nanny, Carrie, and Haley is challenged by her difficult student Quentin. Plus, Mouth is torn between loyalty to his coworkers and his illicit affair with his boss, Alice.

It's a Tree Hill reunion as the entire gang gathers at Tric to see musical group The Honorary Title perform.

While Haley wrestles with whether or not to reveal information that could ruin Lucas' relationship, Peyton admits her true feelings to Lucas. Brooke makes a play for Owen.

At the first Ravens basketball game of the season, Haley, Brooke, Peyton, Lindsey and Mia find themselves locked in the Tree Hill High library.

When Brooke takes Owen to New York for a glimpse of her other life, she's faced with a ghost from her past.

On the eve of their own wedding, Lucas and Lindsey conspire to save Nathan and Haley's marriage.

It's Lucas and Lindsey's wedding day, and Peyton must choose whether to intervene or lose her true love forever.

Lucas picks up the pieces after being left at the altar by Lindsey, while Nathan and Haley deal with the repercussions of Jamie's abduction.

Lucas and Peyton finally discuss Lucas' aborted wedding. Meanwhile, Brooke gets a phone call that could change her life, and Millicent and Mouth take a new step in their relationship. Haley takes the first tentative steps toward a new career, and Nathan contemplates what it would take to get his game back.

Lindsey returns for Jamie's fifth birthday, giving Lucas hope for their relationship. Dan divulges a grave secret.

Lucas investigates Dan's heart condition while Haley struggles with letting Dan into Jamie's life. Nathan urges Quentin to reinvent his game and Brooke juggles her career and life as a new mother. Meanwhile, Peyton tries to assuage her guilt over Lucas' breakup, and Mouth gets a shot at being a sports anchor.

Lucas is crushed by devastating news. Brooke's baby undergoes emergency surgery. Haley wrestles with her decision to record a new album.

In the season finale, everyone faces their fears. Brooke deals with giving up her baby, Lucas deals with his game-night fight and Peyton gets news about a ghost from her past.