A young man in debt faces pressure from multiple creditors, including Cloud Real Estate demanding a lower loan interest rate. To escape his financial troubles, he proposes a mutual-benefit marriage to a woman in South City, offering to marry her in exchange for help resolving his debts. She agrees, seeing it as a convenient solution under family pressure. However, at their wedding ceremony, the groom unexpectedly runs away, leaving the bride to face the family and wedding guests alone. The sudden abandonment sparks rumors and ominous signs, forcing the bride to decide how to handle the fallout as the event spirals out of control.