A spoiled heiress to a fortune and a modest young woman live in completely different worlds. One is used to incredible luxury and getting whatever she wants. The other is forced to work hard as an ordinary cleaner just to survive. Suddenly, their familiar way of life shatters due to an unexpected discovery. The young women learn a shocking truth about their past. Many years ago, they were accidentally switched at birth in the maternity hospital. Now, both of them must face a new reality.