Before the accident, Mary gave Nora a drink when they stopped by the gas station. Mary was one hundred percent sure that Nora wouldn't believe her. So, she took a risk to make things seem normal and not suspicious to Nora.
She very consciously put sleeping pills in her and Nora's drinks. So when Nora refused to drink his gift, she asked her to swap the drinks herself. So, Nora did it. And it turns out that all the sacrifices she made were in vain. She only woke up disappointed.
It seemed that she was the only one who got the harmful effects of the sleeping pill compared to Nora, who was rumored to have been saved by Brandon.
Mary didn't know if whatever she did had been read by Brandon. Still, the problem was Brandon couldn't immediately ambush her on the spot to continue to be able t
