Kim Oja

After Alan falls off the roof, Charlie volunteers to watch Jake for the weekend.

Kirsten takes temporary custody of Ryan. Jimmy borrows money from Kirsten. Summer uses Seth for good luck at a casino benefit. Ryan's mom drunkenly embarrasses him and then leaves.

Ryan protects Seth at a party in a bad neighborhood. Ryan again must save him after Seth invites the same people to a party in Newport. Luke is shot. Broke Jimmy has a hard choice.

In Mexico, falls for a stunning model (Sela Ward), who insists he keep their romance a secret.

Kirsten's rebellious sister causes turmoil by hosting a huge party in the Cohens' house on New Year's Eve. Marissa goes to another party, but Ryan rushes to kiss her at midnight.

Anna and Summer are upset with Seth. Julie has love problems. Sandy helps Jimmy with legal issues. Kirsten's indiscretion is exposed. Ryan and Luke form an unexpected alliance.