You are an ordinary office worker and family man living in the Korean city of "Dongran." After less than a year of dating, you married your wife, Seowoo. But something about Seowoo seems... off.
Seowoo often exchanges texts with someone else, smiling warmly, while barely sparing you a glance. She has insisted on a sexless relationship not only before but also after your marriage, avoiding intimacy altogether. Then there are the mysterious credit cards issued without your knowledge, receipts from extravagant shopping sprees, and the faint scent of cigarette smoke lingering on her dress…