She had been very well-behaved lately and hadn't gone around causing any trouble, and she was really afraid of Matthew getting mad, so she had to look for other ways.
Tara slapped Serena and still didn't feel relieved, and the thought of her son almost dying at Serena's hands gave her a pang of fear.
Serena dropped her eyes and took the slap hard.
She couldn't deny it because the drug was actually administered by her.
Nathan hadn't expected to meet Mrs. Tara here, things were obviously getting complicated, he spoke quickly, "Mrs. Tara, what are you doing here?"
He raised his voice deliberately, hoping that Matthew inside would hear him, and now he was the only one who could solve the problem at hand if he woke up.
"How could I have heard what she said if I wasn't here, Matthew would have just given in to her, I don't even know, she had the nerve to do something like that!"