 He then discovers that Tess is actually an alternate personality of newspaper heiress Jessica Buchanan, who suffers from dissociative identity disorder.To complicate matters, Jessica/Tess is pregnant, and the father is either Nash or Antonio Vega, Jessica's longtime fiancé.Matters are made worse in early 2006 when Tess pays a visit to Claudia Reston, Nash's crazed ex-girlfriend.