Iris's POV 

I had absolutely no idea what Professor Lancaster asked.

"Miss Grimwald," He sighed. "if you’re going to daydream, at least have the courtesy to do it after my lecture.”

A few people laughed. Someone near the back snorted. My stomach dropped straight through the floor. I wanted the chair to swallow me whole.

"I asked you what the primary chemical marker is for detecting a lie through scent," Lancaster didn’t move. "Do you remember, or should I repeat the entire section?”

. “Uh… the… sharp one?" I stammered. "Like fear?”

"No," He shook his head once. “Fear is sharp, yes, but the lie marker is metallic, faint. Most...