As Audrey continues to care for Demi, she also begins to manipulate situations to get closer to Stan. She starts to sabotage Demi's treatments and medications, making her health deteriorate even further. At the same time, Audrey seduces Stan and convinces him that he deserves to be happy and loved, leading him to start an affair with her.
As the affair progresses, Audrey becomes more and more controlling and possessive of Stan, wanting to completely replace Demi in his life. However, Demi starts to suspect that something is not right with Audrey and decides to investigate. She discovers Audrey's manipulative actions and confronts Stan about his infidelity.
Stan is torn between his love for Demi and his attraction to Audrey. In the end, he must make a choice between the two women, leading to a dramatic and emotional climax. The movie explores themes of love, betrayal, and the consequences of one's actions.