Ep 9. The Ex-Factor

In The O.C. season 2 episode 9, titled The Ex-Factor, tensions rise when Summer's ex-boyfriend, Zach, returns to Newport Beach and wishes to reconcile with her. Meanwhile, Sandy and Kirsten try to keep their restaurant, the Lighthouse, afloat despite financial troubles, while Seth helps Summer and Zach plan the school's annual winter dance.

As Summer debates whether or not to give Zach another chance, Ryan begins to suspect that Zach has an ulterior motive for wanting to reunite with her. Marissa, on the other hand, tries to move on from Ryan by dating Volchok, a bad boy from her school, much to the disapproval of her friends.

While Seth is preoccupied with helping Summer and Zach plan the dance, he unintentionally neglects his own relationship with Alex, causing tension between them. Meanwhile, Julie struggles with her own financial troubles and makes a risky decision to help pay off her debts.

As the winter dance approaches, tensions rise and relationships are tested as secrets come to light and feelings are revealed. The episode culminates in a dramatic confrontation that leaves the characters questioning their relationships and the future of their lives in Newport Beach.

Overall, The Ex-Factor is an intense and emotional episode that explores the complexities of relationships and the repercussions of past choices.