Complex sentence: She tries to win him back, later forcing him to make wild, passionate love with her in the office, if he doesn't she will kill Victoria but he still rejects her, as he loves Victoria.
Split into simpler sentences: She tries to win him back, later forcing him to make wild, passionate love with her in the office, saying that if he doesn't she will kill Victoria. Although he has sexual intercourse with her, he still rejects her, as he loves Victoria.