 On Valentines Day, Edie thinks that Karl is going to pop the question after she finds an engagement ring and prenuptial agreement in his briefcase, but Karl is actually trying to get Susan to marry him instead so she can get insurance for her upcoming surgery. Gabrielle and Carlos learn she is highly unable to conceive a child again because of complications caused from her recent miscarriage. At the same time, Carlos learns more about the tension-filled relationship between Gabrielle and her estranged, gold-digging mother Lucia, when she drops for a visit. Also, Bree s problem with alcohol intensifies with the notice of Lynette after Bree baby sits her children for the day in which she passes out and the twins wonder around town.