It is Chrismukkah on The O.C., and after Ryan and Taylor fall off the Cohen roof they enter comas and an alternate dream world where nobody knows them. In this world Sandy is Mayor and married to Julie, Jimmy is married to Kirsten, and Summer is with Che, and in order to get back to the real world Taylor and Ryan must confront their inner demons. Back in the real world, a letter that Marrissa sent before she died is delivered to the Cohen house.