Drowning in debt, Olena accidentally lands a job as billionaire CEO Anthony's contract fiancée to fend off his scheming stepmother. Though initially treating the role like a maid's job, Olena's wit and resilience win over Anthony's strict grandmother and capture his heart. After surviving family betrayals, misunderstandings, and a staged bankruptcy designed to win her back, Olena discovers true love behind the ultimate fake-marriage setup.