This series follows the eventful lives of some high-school kids in Tree Hill, a small but not too quiet town in North Carolina, where the greatest source of pride is the high school basketball team, the Ravens.
Cast: James Lafferty, Bethany Joy Galeotti, Sophia Bush, Paul Johansson, Lee Norris, Chad Michael Murray, Hilarie Burton, Barbara Alyn Woods, Antwon Tanner, Barry Corbin, Moira Kelly, Jackson Brundage, Lisa Goldstein, Craig Sheffer, Danneel Harris
In the final chapter of One Tree Hill, the tenth anniversary of Tric brings old faces and new possibilities for the Tree Hill family.
As Haley prepares to emcee the annual Tree Hill Burning Boat Festival, Brooke uses the opportunity to process her father's betrayal, while Julian tries to breathe new life into a past idea.
The search for Nathan becomes increasingly dangerous, and Dan's life hangs in the balance. Brooke is surprised when her father returns. Clay and Quinn reconnect with Logan.
Dan, Julian and Chris Keller attempt to rescue Nathan. Brooke's conflict with Xavier escalates. Quinn and Clay revisit the past.
As Quinn distracts Jamie, Haley searches for Nathan. Clay finally gets answers about his condition. Meanwhile, Julian attempts to get back to a normal life, while Brooke tries to give Tara (guest-star Chelsea Kane "Dancing with the Stars") a chance.
Haley receives news of a possible tragedy. Dan's search for Nathan leads him back to his dark past. Clay has a breakthrough in his treatment. Brooke and Julian deal with Xavier (guest star Devin McGee). Chase's concern for Chuck (guest star Michael May) pushes him to his limits.
Haley seeks help from Lucas (guest star Chad Michael Murray) as Nathan makes an escape attempt. Brooke comes face-to-face with Xavier (guest star Devin McGee). Julian uncovers evidence that assists Dan in his search for Nathan. Clay makes a connection with another patient.
Dan enlists Julian to help in his search for Nathan. Mouth fills Clay in about Nathan, as Haley explains Nathan's disappearance to Jamie. Brooke gets an idea of how to bring patrons to an empty Karen's Café, and Chris Keller confronts Chase about Tara (guest star Chelsea Kane).
As Quinn distracts Jamie, Haley searches for Nathan. Clay finally gets answers about his condition.
As Julian deals with his guilt, Brooke helps Haley confront a new rival café, and its difficult owner. Meanwhile, Chase's new girl has a complicated secret, and Quinn takes extreme measures that help Clay realize he's worse off than he thought.
Dan helps a struggling Haley at Karen's Café. Meanwhile, Quinn discovers that Clay is hiding something from her, and Chase tries to mend a broken heart. Brooke is let down by her lunch plans with her dad, and Julian makes a life-changing mistake.
Brooke discusses a new business venture with her father, as Julian stresses about his own investment. Quinn convinces Clay to get help, and Millie struggles to be honest with Mouth. Meanwhile, Chris Keller makes Alex an offer she may not be able to refuse and Nathan volunteers to scout in Europe, leaving Dan with Haley and Jamie.