Family secrets (3)

"Poison?" Mark asked, looking at Katrina who didn't react to Clark's accusation. She was doing a better job at controlling her facial expressions now than she did at first. 

Mark considered the Barretts to be a mess but poisoning someone was new. The bad blood between Katrina and Clark was worse than he was aware of. Katrina was quite bold if she did in fact try poisoning Clark. "What proof do you have she was poisoning you? That is a big accusation to make."

"I stayed with her after my brother's death and slowly I started to get weak. Like there was a burning pain in my chest the more I ate and once I stopped eating food from there, I got better. I confronted her and told my mother about it but the end result was I got sent out of town. Isn't that right, mother?" Clark smiled, enjoying the way her wrinkles became more prominent with her anger.