As Brooke angrily deals with Alex's tryst with Julian, Lydia's condition worsens, prompting Quinn and Haley to try to reconnect with Taylor. Clay is forced to deal with Katie's unsettling advances, and Nathan helps Jamie come to terms with Lydia's impending death.

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.