Caroline's grandmother comes to visit. An old-fashioned snob,she makes it clear that she feels Caroline is marrying beneath her but then appears to have a change of heart. But this a ruse as she persuades the couple to sign a pre-nuptial agreement which she knows will have them at each others' throats and cancelling the wedding. Fortunately Laura,long cowed by her formidable mother,knows what is happening and speaks out to save the situation. (thetvdb.com)