Overview: Nora cautions Natalie and Cris to keep their distance from one another until the marriage to Mitch has been annulled. Seth accuses Jessica of trying to make him suffer by running off with Al. Todd bristles when Sam comes to the penthouse with a New Year's Eve surprise to ease Blair's cabin fever. Bo presses Mitch to confess to Walter's murder but the ""reverend"" insists instead on taking out a restraining order against Cristian. Jen offers a surprised Natalie an olive branch. Troy and Lindsay fall into bed together and make love. Todd goes to Llanfair to complain to Viki about Sam but soon discovers that his sister has much bigger fish to fry. Angry with Seth for keeping her mother's secret, Jessica icily informs him that they're through. Bo congratulates Nora on her engagement. Viki's revelation about Jessica's paternity stuns and enrages Todd. Jen slyly attempts to cause friction between Natalie and Cris. Troy hopes his risky strategy will keep Lindsay under control.