You are so excited over the killing of Eleonore and Ammalia that you want to do it again. The thrill of it has taken over your life. So you invite some more friends over, knowing that Stella hates Laura. During the drinking session you get Stella to yourself, and do similar to what Ammalia did to you. You show her the "snuff" movie and talk her into strangling Laura. You will kill the other girl .Same as before. Long double kill. When they are both dead, you kill Stella. A Cruel Hangover # 2