Grace Forrester is the identical twin sister of Gillian Forrester . While Gillian lived a life of adventure in the ISA, Grace only wrote about adventure as a novelist. She was invited to Salem by Gillian and was used in Gillian's schemes to break up Kimberly Brady and Shane Donovan . Grace agreed these plans, hoping to find great material for her next book, though she was unaware of just how far Gillian was willing to go to win Shane's heart.