“You mean?”

“Scopolamine.”

“Scopolamine?”

“Yes.”

“I never heard of it. What is it?”

“A drug.”

“A drug?” Clayton echoed again, brows knitting. “But that’s out of the question, Nick? My mother never was addicted to the use of drugs of any kind.”

“Add something to that,” Nick suggested.

“Add something to it? What do you mean?”

“So far as you know,” said Nick, with a more curious expression on his strong, clean-cut face.