After Lindsay moves away to Chicago with her mother, Ryan is heartbroken and Caleb's confused. Seth, Summer, and Marissa invite Ryan to the local mall to get his mind off things. But things take another turn when they get stranded in the mall after hours. Meanwhile, Caleb tags along to vent his frustration when Sandy tries to make amends with Kirsten by searching for her wedding ring or even a grand gesture that will take her back to when Sandy first proposed. Alex begins to learn that Marissa might not be as into her as she thought. Also, Kirsten and Julie call an editor for their new magazine, Newport Living, but at the same time Julie's Riverside past catches up to her in the form of a former boyfriend with an incriminating video tape of her.