Monica Stephens never knew her delivery mother. Raised by a stringent but loving adoptive mother or father, she blossomed into a female with a flourishing career like a pediatrician and a family group of her personal. But occasionally, she wondered about her origins. Especially her biological mother.

Until Grace arrives.

Confessing to become the birth mother Monica had long wanted to meet, Grace quickly becomes an indispensable member of the Stephens household. Cooking their foods. Looking after the kids. Comforting Monica when the family dog is definitely inexplicably killed. Maintaining Monica as she falls sick to a inexplicable sickness that, each day, makes Monica look and feel older.

Meanwhile, Grace is definitely looking better. Even more vibrant. Younger. More seductive .

Monica’s hubby, Troy, knows something is up. He launches a study into the woman who demands to become called ‘Nana,’ and provides bought out his home.

But the truth is beyond their wildest imaginings.

It seems Grace did this before . . .