A beautiful bride-to-be named Momo is enjoying her perfect life before marriage. One morning, she goes out to see off her husband at work when an older man living next door strikes up a conversation with them. Although Momo isn't comfortable around him, she tries to be polite while her husband engages in small talk. However, she can't shake off the feeling that he's looking down on her, making her uneasy. Later, after returning home from shopping, Momo finds herself worrying about their upcoming wedding. In an attempt to soothe her nerves, she unknowingly touches herself in a provocative manner near her private area. Unbeknownst to her, evil lurks within their very own room...