Here are the main characters and some information about them:
* Rachel: The protagonist and central figure of the story. She is a married woman who has been unhappy in her marriage for some time. She feels trapped and unfulfilled, and begins an affair with a younger man, Ethan. She is depicted as a complex character, struggling with guilt, desire, and the fear of losing everything.
* Ethan: The younger man who Rachel has an affair with. He is described as charming and attractive, making Rachel feel desired and alive again. However, he is also shown to be self-centered and manipulative, ultimately adding to Rachel's turmoil.
* Jake: Rachel's husband. He is a successful businessman and a loving father. He is unaware of Rachel's infidelity and is initially portrayed as a good man. He is a devoted husband, but their marriage lacks the spark and excitement it once had.
* Susan: Rachel's best friend, who is initially supportive of her affair but later becomes disillusioned with Rachel's choices and the effect it has on her own life.
The story revolves around Rachel's internal conflict and the moral dilemmas she faces as she navigates her affair, the consequences it has on her relationships, and ultimately, her own sense of self.