Kate was frozen at a spot as she watched the general, she never wanted things to be like this, but it seems it's getting beyond her control.
"What did you do to him?" She turned to Grace, pretending like she was angry or cared, even if for a little bit. It is another ploy to get Grace thrown out of the hospital in other for her to carry out her plans. All she feels for her father at this point was hate. Pure hate. His recovery will do nothing but ruin the plans she has already. She didn't want anything to ruin her plans.
The only reason she had done nothing to him before was because of the undertaking Noah had forced her to sign, but right now, it didn't even matter anymore.
She would kill this old fool slowly. They will not even be able to trace the cause of his death.