During a rainy day in Newport, Lindsay decides to take the DNA test and makes a difficult choice regarding her life with Caleb while Ryan helps her through it. Elsewhere, Sandy still wants to help Rebecca with her case and tries to convince her not to run again. But he ends up running with her and ends up stranded for the night in a run-down motel. Kirsten is still upset and confides in Julie about her problems and wishes her marriage would go back to normal and for Rebecca's case to be over with. Meanwhile, Seth thinks he's lost Summer forever until Summer is unable to hide from her feelings once and for all, when she considers leaving Newport with Zach for a trip to Europe. Marissa moves out of the Cooper-Nichol mansion and moves in with Alex after she tells her mother about Alex being her girlfriend.