Corporate heiress Lee Jiyeon is in a festive panic. To land her dream project, she needs a fake fianc for a two-week holiday engagement. Enter Minjun, the cold, ruthless CEO of a rival company, who needs a fake wife to save his own empire. Their deal is simple: survive the family parties, charm the board members, and walk away at Christmas.
But as they navigate the treacherous world of corporate galas and jealous rivals, their little holiday lie starts to feel dangerously real. When an anonymous threat reveals a dark family secret-a shocking betrayal and a sister's suspicious death-they're forced to choose. Can they risk everything to expose the truth, even if it means losing the beautiful, fake world they've built together?