The Puzzle Solved
While on her way to meet Hannah’s mother, Katie was trembling at the thought that she would also be the mother of her son. When they faced each other, Katie didn’t need to inquire; she got her answer. A single glass at that woman was enough to tell that she was Grayson’s mother.
Furthermore, the woman confessed that she had given to two children in the same hospital. A bewildered Katie stopped herself from revealing that she was her son’s mother.