 During rehearsals for Newport Beach s annual Cotillion Ball, Ryan continues to pursue Marissa and asks her to be his dancing partner, while a continuing jealous Luke tries to break them up. Seth as eyes for the new girl in town, Anna Stern, but becomes torn over his feelings for Summer Roberts, the outgoing socialite he s had a crush on for years. Meanwhile, Sandy becomes upset over Kristen s loan to Jimmy for his financial problems which finally come to light at the ball when one business client decks him in the face after learning that Jimmy lost all of their money.