Overview: After Sam brings his son to the penthouse on Christmas Eve, Starr covers for her slip of the tongue by informing an aghast Matthew that Santa doesn't exist. Bo promises Viki he won't stop looking until he's found Jessica. Nora confesses to Troy how she went snooping through his desk and stumbled over a diamond ring. Meanwhile, Jen cautions her mother that she's delusional if she believes she can win Troy back. Hank orders Antonio not to spoil Liz and Keri's Christmas with talk of a paternity test. Todd reluctantly allows Sam some quality time with Blair. Al guesses that his mother has mixed emotions about Bo failing to pop the question. Jen tells Lindsay she'll make Cristian rue the day he ever crossed her. Troy asks Nora to be his wife. Tired of the bickering between his mother and Keri's family, Antonio asks everyone to let him and his fiancee celebrate in private. Sam promises Blair he'll find a way for them to be together.