I am looking for a romance novel. In this book, this lady meet sa man and finds they have an instant attraction. He is playing cards or gambling with her father and later they share a passionate night. In the morning his friends tell him that they were cheating and so he thinks she is a whore. He leaves and she is distressed. Months later she eneters his society as her cousin, who has agreed to this. She is seeking revenge for his jilt. He sees her and confronts her but she claims she is the oither woman and has never met him. At first he is not sure whether to believe her. He decides to keep her at his house to discover who she really is. In the end he forces her to marry him. He then becomes ill and fakes his death to find out who poisoned him. More importantly if she poisoned him.
