Raising suspicion

With the trouble that had suddenly descended to Veteris, Julie had failed to notice something. To confirm she turned to Melanie and whispered, "Do they know that I know about vampires?" It was because Mr. and Mrs. Davis had replied to Melanie's question about vampires not being good in her presence.

Melanie shook her head, "I think they believed that you knew, as I was the one to bring up about the vampires at the table. They must have assumed that I told you as we are close?" She bit her lip, realizing the mistake that she had committed in front of her parents. 

Far away from the table, Mr. and Mrs. Davis continued to walk towards the lunchroom's counter. Mr. Davis spoke to his wife in a low voice, "Did you notice it?"