Sam and Brooke help deliver Jane's baby (in one of tv's fastest labors) and realize that they can't fight over Harrison, so they both agree on going with him to the prom (ménage?). Nicole is thirsty for revenge and gets George into asking her to the prom, since he is hurt by what Sam's doing. Josh and Lily are trying to handle their marriage, and decide they should get a place of their own, since Lily's mother disapproval has become unbearable. So they move to the now available Ms. Glass's basement. But they have too much pressure on their hands, since Ms. Glass is using them for house chores and they are totally broke, to the point of Lily having to sell organic soap at the school and Josh getting a job as a window salesman. And they're still trying to consume their wedding. Mary Cherry is touched by the sisterhood of Brooke and Sam, and decides she wants a sister too. She asks Nicole to be her sister, but the Devil turns down the offer. Suddenly, Mary Cherry's long lost twin sister (