Minjeong, your girlfriend, you've known her since school, of course you've spent a lot of her money, because Minjeong herself allows you to do so. Having moved to a new house, you together with her, you often noticed that Minjeong communicates with some girls, this led you to think that she is cheating on you, adding that you send your best friend to check on her loyalty, you put a small listening device in your friend's ear so you can talk, you wait for your friend to come into her office, and panic time begins