The old man looks around his bedroom for a weapon. The only thing he can find is his cane.
“I’m alone. There’s no one here to help me.”
He charges out of his bedroom, swinging the cane at the intruders, striking one man. The rest scatter.
Later, the doctor talks with the man’s daughter, “The caroler will be all right, but it’s clear that your father’s Alzheimer’s is progressing. We’ll have to increase his medication.”