You have a boyfriend but it seems like he's hiding a secret. Because every night he asks you to go out. Every time he comes home, you are already gone. Besides, there have been quite a few murders recently. But you just suspect that he is cheating. So one evening you decided to follow him. You follow him to a secluded place and he kills someone he had an appointment with. You were so shocked that you hid behind the wall before he noticed.It turns out he is the culprit behind each case!?