Haley tries to overcome her depression by joining Nathan, Jamie and the rest of the Tree Hill gang on a trip to Utah for the premiere of Julian’s film.

Nathan struggles to reach an increasingly despondent Haley, while Quinn leads Jamie on a Tree Hill treasure hunt. Julian shows his finished film to Brooke, and Clay is forced to deal with a deranged Katie

Nathan and Haley struggle with the aftermath of her mother’s death, while Brooke deals with the fallout of Alexander’s tryst with Victoria. Alex discovers a secret about her leading man, Josh, that could derail Julian’s film, and Clay is confronted by an unhinged Katie.

On the eve of Quinn’s big gallery opening an uninvited guest ambushes Clay. Nathan spends the day with Jamie, while Haley struggles with life after her mother’s passing. Brooke and Julian each receive a shocking surprise. Meanwhile, Skills learns the truth about Lauren and Mouth.

When Lydia’s condition worsens, Haley and Quinn decide to try and reconnect with Taylor. Brooke lashes out at Julian as she reacts to his tryst with Alex, while Clay doesn’t know how to deal with Katie’s romanticn advances. Meanwhile, Nathan continues to help Jamie come to terms with Lydia’s impending death.

Haley and Jamie struggle to accept Lydia’s seemingly hopeless situation, leading Nathan to try and help them come to terms with it. Brooke and Julian’s volatile relationship faces the pressures of a hectic movie set, while Clay and Quinn spend some time apart. Meanwhile, Miranda attempts to persuade Grubbs to let her produce his album.

Brooke (Sophia Bush) and Julian (Austin Nichols) try to find a balance between their personal lives and work as the movie shoot begins. Nathan (James Lafferty) and Haley (Bethany Joy Galeotti) receive a surprise visit, and Clay (Robert Buckley) supports Quinn (Shantel VanSanten) as she faces some unexpected news. Alex (Jana Kramer) sets her sights on Alexander (guest star Mitch Ryan), and Millicent (Lisa Goldstein) finds herself struggling with temptation. Jackson Brundage also stars. Jessica Landaw directed the episode written by Nikki Schiefelbein.

Nathan and Clay get stranded on Haley’s birthday. Julian and Brooke attend an ’80’s movie-themed fundraiser separately.

When Taylor and David arrive at the Scotts’ house, Nathan tries to keep Haley calm while Clay helps Quinn through the awkward encounter. Brooke turns to Alexander for support when Julian defends Alex on the set of their movie.

Six weeks have passed. As Nathan and Jamie join Haley for the last stretch of her tour, Brooke and Julian are reunited after their break. Alex emerges from rehab and tries to make amends with the people she hurt and disappointed, while Clay and Quinn figure out where their relationship is meant to go next.