When Marissa and Summer run into Grady Bridges, the star of Summer's favorite TV series 'The Valley', he invites them and their friends to a party in Los Angeles and they accept. Meanwhile, Ryan and Seth discover the romantic connection between Luke and Marissa's mother in which Ryan persuades Luke to break it off before Marissa finds out. During the L.A. party, Grady tries to woo Summer away from Seth, who gets an eyeful of a wealthy socialite lady, while Ryan and Marissa run into Hailey Nic ...[Read Story ]