Sabrina did not guess wrong. When Mary entered the clinic, she made an excuse to send away the nanny who was following her.

She knew the doctor at this clinic very well.

This is something that Mark did not know, but Sabrina had already investigated thoroughly.

Not only that, Sabrina also knew that the child in Mary's belly belonged to the doctor.

Even the proof that Mark had was forged by the doctor and Mary together.

They first let Mark believe that she could ...