She wanted revenge
Olivia had mixed feeling about going to stay in Los Angeles to write up film star Diane Haran's rags-to-riches life story. This was the woman, after all, who had seduced Olivia's husband away from her.
What if she turned the tables by making a play for Diane's latest lover? She knew she hadn't the other woman's glossy, superficial beauty, but Joe Castellano certainly seemed attracted enough to Olivia! The only problem was, the more she got close to Joe, the more she wanted him totally for herself .