Who is the Elusive Heiress?

Emily, a pizza delivery girl, is thrust into a dangerous game when William Grant, the adopted son of the powerful Grant family, asks her to impersonate his deceased sister, Elizabeth, to protect the family's empire. With her mother's life at stake and Elisa's evil fiancé, Jackson, threatening the company, Emily must play the perfect heiress. But with a striking resemblance to Elizabeth, is it all just a coincidence or is there a deeper secret behind the mask? Can Emily pull it off before her truth is exposed?