Rinka (Tao Tsuchiya) works as a wedding planner and is having trouble finding a good guy. Her workmate suggests using a dating app. Feeling defeated, Rinka decides to give it a try and matches with a guy named Tomu (Daisuke Sakuma). However, when they meet he looks nothing like his picture on the app. Although he seems normal, she has a bad feeling about him. A series of murders occur, and it’s discovered that each of the victims used that machine app. The man that Rinka met gets put under investigation in relation to the murders.