The O.C.: The Dawn Patrol

While visiting his mother, Ryan has an experience with one of her coworkers. Due to Seth being so secretive, Taylor and Summer decide to come up with a plan to find out what his deal is. But when the plan fails, Summer is left distraught. Julie Cooper has good advice for Volchok, while Marissa confronts his friends and helps a girl get out of a pretty intense situation at a party. Sandy puts an end to troubles with matt but leaves Kristen at home alone.