Even though she knows that Gwen's pregnancy was both an accident and a surprise, Theresa continues to accuse Gwen of planning this pregnancy to steal Ethan from her. Gwen reminds Theresa that it was her who needed to use lies and trickery to sabotage Ethan and Gwen's relationship not once but twice. After eating the divorce papers, Theresa vows to get revenge on everyone in the mansion for sabotaging her plans to be Mrs. Ethan Crane. After Kay talks her into sabotaging her sister (who, after all, is sneaking around with her boyfriend), Simone takes Whitney a glass of drugged milk. Sheridan tells Luis that she will not make love to Antonio. (thetvdb.com)