Somi came to know that her boyfriend is cheating on her.

         She wants to kill him. Jennie, Lisa and Jisoo came forward to help her while Rosé didn't know about it , cauz she was the other girl friend of him(Somi's boyfriend). Somi didn't have any idea about this while Rosé too. Jennie, Jisoo, Lisa and Somi formed a group and planned. Since Somi loved him she could change her mind so Jisoo, Jennie, Lisa had another plan in their hand. Somi asked her...