The Henricksons try to put on a unified face during Christmas, but are tested amidst numbing revelations from Barb, Marge and Adaleen. Meanwhile, Lura takes drastic measures in response to Alby's zealous efforts to "purify" the compound; Lois drifts towards the deep end; Bill tries to soften up a senator; Ben bonds with Heather; and Cara Lynn looks for answers about her father.—HBO Publicity