Mr. Preston's Pregnant Shapeshifter

Struggling in a tough job market, college student Clara Collins starts working as a cleaner. On her first day, she has an encounter with the chairman of the Preston Group, who has been drugged. Subsequently, she is affected by a mysterious force that turns her into an old lady during the day, only reverting to her true self at night. In her old lady form, Clara Collins is arranged to become the Secretary to the Chairman by Mr. Preston's fiancée, Zara Ellison.